Causes of Night Sweats in Men | Sleep Foundation (2022)

Night sweats are an unpleasant part of life for many people. Although sweating is a normal part of the body’s temperature regulation system, night sweats are not caused by external factors such as your bedroom temperature or choice of bedding. Instead, the term refers to excessive nighttime sweating caused by physiological processes or underlying health conditions. Night sweats can vary in severity but are often described as severe enough to soak through bedding.

Both men and women may experience night sweats for many of the same reasons, such as infection and stress, but some causes differ between the sexes. Men do not experience night sweats as often as women do, possibly because menopause is a leading cause of night sweats in women. However, hormones can also play a role in night sweats among men, as low testosterone levels have been identified as a potential cause. A person’s sex also affects other aspects of health, including how they sleep, so men are sometimes more likely to have other conditions that cause night sweats.

Our bodies want to stay at approximately the same temperature, a safe range called the thermoneutral zone. Temperatures lower than this zone cause us to shiver and raise our internal temperature, while higher temperatures provoke sweating to cool us down. Men usually have a lower tolerance for heat than women do, but your sex is only part of how your body determines your thermoneutral zone.

Many conditions and physiological factors can trigger night sweats via changes to the thermoneutral zone, either by narrowing the range of acceptable temperatures or temporarily raising the thermoneutral zone range, which first causes shivering and chills that are followed by sweating when the thermoneutral zone returns to normal. Some of these triggers are harmless or even related to positive lifestyle changes, while others involve health conditions that may require treatment.

Your doctor is your best resource if you are concerned about night sweats. They are able to diagnose any underlying medical conditions and help you find ways to alleviate your symptoms.

(Video) What Causes Night Sweats and 7 Ways to Help Yourself

Low Testosterone Levels

Men can experience night sweats due to low testosterone levels, also called male hypogonadism. Around 38% of men 45 years or older have low testosterone levels for a variety of reasons, and even otherwise healthy men have a 20% likelihood of having low testosterone levels if they are over 60 years old. The causes of male hypogonadism vary dramatically but can be categorized into primary, which refers to a problem with the testicles, and secondary, which refers to a problem with the part of the brain that controls hormone production.

Other symptoms of low testosterone levels include:

  • Low libido and erectile dysfunction
  • Loss of body and facial hair
  • Weakness and fatigue
  • Lower muscle mass and increased body fat

Night sweats caused by low testosterone levels can be treated with testosterone replacement therapy or by treating the underlying cause of the low hormone levels.

Stress and Anxiety

Anxiety makes sweat glands more responsive, and people with high stress or anxiety levels are more likely to experience night sweats. These effects are true for both short-term and chronic anxiety, with some research showing that even the stress of trying to solve a math problem can affect sweat gland responsiveness.

While women are nearly twice as likely to be diagnosed with an anxiety disorder, men are also significantly less likely to report or seek help for mental health symptoms. The symptoms of stress can also differ between men and women, with women having more emotional responses, like sadness, and men experiencing more physical symptoms, such as changes in diastolic blood pressure. However, there are more similarities than differences between male and female responses to stress.

(Video) Mayo Clinic Minute: Understanding the link between menopause and sleep apnea

Sleep Apnea

Obstructive sleep apnea (OSA) is a sleep disorder that causes people to stop breathing for multiple short periods during sleep. These pauses, or apneas, are often followed by gasping or choking sounds, and severe snoring is a common symptom of OSA. An estimated 3% to 7% of Americans have OSA, but it is three to five times more common in men than in women due to differences in airway shape, obesity rates, hormones, and other factors.

Nearly a third of men with OSA report experiencing night sweats, rates which are three times higher than those seen in the general population. Successful treatment of sleep apnea appears to help resolve any related night sweats.


Some medications are known to cause excessive sweating, including night sweats. These include:

  • Selective serotonin reuptake inhibitors (SSRIs) and tricyclic antidepressants
  • Aspirin, ibuprofen, and other nonsteroidal anti-inflammatory drugs (NSAIDs)
  • Hypoglycemic agents used for diabetes treatment
  • Corticosteroids such as cortisone

If you believe a medication could be causing your night sweats, see your doctor. It is important to always speak to your doctor before stopping or lowering the dose of a medication you have been prescribed.


Infection can cause both night sweats and unusual daytime sweating. When your body is fighting off an infection, it releases inflammatory mediators that temporarily raise your thermoneutral zone. This process begins with chills and shivering that increase your core body temperature, and it is followed by excessive sweating to decrease your temperature once your thermoneutral zone returns to normal. This cycle can occur many times throughout the course of an infection.

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While many minor infections can cause night sweats, they are also a symptom of serious infections like human immunodeficiency virus (HIV), tuberculosis, endocarditis, and brucellosis.


Hyperhidrosis describes excessive sweating that occurs without ordinary triggers like exercise, heat, or stress. The sweating can be excessive enough to soak through clothing and can even cause skin problems due to the constant moisture it causes. Some people develop primary hyperhidrosis that is not caused by underlying issues, but hyperhidrosis can also be caused by a number of health conditions and medications.

The rates of hyperhidrosis are similar for both men and women. Treatments for hyperhidrosis differ depending on the underlying cause and can include oral or topical medications, using botulinum to block neurotransmitters, and surgery.


There is some evidence that regular exercise can lower the thermoneutral zone, causing people to start sweating at lower temperatures than usual. For example, eight to 14 days spent exercising in a hot environment can cause changes in your thermoneutral zone that may contribute to night sweats. While exercise is healthy, night sweats are also considered a symptom of sports overtraining, and it is important to discuss any new or concerning symptoms with your doctor.

Other Causes

Night sweats are a common symptom with many potential causes. Although no relationship has been found between night sweats and the risk of death, night sweats can be a symptom of some serious conditions. These include:

(Video) Night Sweats - July 22nd

  • Cancer: People who have cancer sometimes experience night sweats as a side effect of either cancer itself or the treatment they are receiving. Cancer survivors may also have night sweats even once they are in remission. Treatment usually involves treating the cancer while using lifestyle changes or medication to ease discomfort associated with night sweats.
  • Neurological Conditions: Some neurological conditions can cause either night sweats or hyperhidrosis during both the day and night. These include neuropathy, autonomic dysreflexia, syringomyelia, and stroke.
  • Hyperthyroidism: In addition to low testosterone levels, men can also develop night sweats due to hormonal conditions like hyperthyroidism. Also known as having an overactive thyroid, hyperthyroidism can cause excessive sweating during the day and at night. Other symptoms include fatigue, weight loss, heart palpitations, tremors, anxiety, and disturbed sleep. Treatment involves antithyroid drugs, radioactive iodine ablation, or surgery.

When to Talk to Your Doctor

Night sweats are a common condition and may not be cause for concern. However, since night sweats can be a symptom of health conditions that require treatment, you should speak to your doctor if they happen regularly or are unaffected by lifestyle changes.

Other signs that you should talk to your doctor include:

  • Sleep disturbances
  • Fatigue, weakness, or excessive daytime sleepiness
  • Weight loss unrelated to lifestyle or diet changes
  • Mood changes
  • Fever

Even if you do not have an underlying condition causing your night sweats, you may want to speak to your doctor about treatment options if night sweats interfere with your ability to sleep comfortably.

Tips to Reduce Night Sweats

If night sweats are due to an underlying health condition, treating the condition will usually help reduce the night sweats. You can take additional measures to sleep more comfortably, including:

  • Keep Cool: Although night sweats occur regardless of ambient temperature, turning on your air conditioning, buying a mattress that sleeps cool, or using breathable bedding can be more comfortable and help reduce sweating. It is also easier to get a good night’s sleep if your room is set to a comfortable temperature.
  • Wear Comfortable Clothing: Loose pajamas made of a breathable, moisture-wicking fabric, like cotton, can help keep you cool while allowing sweat to evaporate more quickly.
  • Use Relaxation Techniques: Since stress and anxiety can worsen night sweats, relaxation techniques may be helpful for both coping with and reducing night sweats. Meditation, mindfulness, guided imagery, and breathing exercises are all popular techniques. Working with a professional for cognitive behavioral therapy or hypnosis may also be helpful.
  • Avoid Dietary Triggers: Alcohol, caffeine, and spicy foods can all affect sweating and your internal temperature. Avoiding them, particularly at night, may help reduce your night sweats.
  • Maintain a Healthy Weight: Excess weight may cause night sweats in some people. Obesity is also a risk factor for other conditions that may cause night sweats, such as sleep apnea, and weight loss is sometimes recommended to treat these conditions.
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(Video) Night Sweats | Aarogyamastu | 18th October 2019 | ETV Life


Causes of Night Sweats in Men | Sleep Foundation? ›

They are able to diagnose any underlying medical conditions and help you find ways to alleviate your symptoms.
  • Low Testosterone Levels. Men can experience night sweats due to low testosterone levels, also called male hypogonadism. ...
  • Stress and Anxiety. ...
  • Sleep Apnea. ...
  • Medication. ...
  • Infections. ...
  • Hyperhidrosis. ...
  • Exercise. ...
  • Other Causes.
Apr 8, 2022

Why does my husband sweat so much at night? ›

Men may get night sweats because of stress or a possible anxiety disorder. Sweating at night may also be a side effect of medications like antidepressants or HIV treatments. Hyperhydrosis — a common condition that causes excessive sweating — may also be the cause.

What are the 10 causes of night sweats? ›

8 Causes of Night Sweats
  • Menopause. The hot flashes that accompany menopause can occur at night and cause sweating. ...
  • Idiopathic hyperhidrosis. ...
  • Infections. ...
  • Cancers. ...
  • Medications. ...
  • Hypoglycemia. ...
  • Hormone disorders. ...
  • Neurologic conditions.
Oct 15, 2020

How do I know if my night sweats are serious? ›

It's also important to seek medical attention if you develop night sweats that happen frequently, disturb your sleep, or are accompanied by other symptoms. Night sweats that occur with a high fever, cough, or unexplained weight loss may be a sign of a serious medical condition.

When should I be worried about night sweats? ›

“Night sweats are most concerning when they have been ongoing for two weeks or longer, and are accompanied by other symptoms,” Dr. Majestic says. “Be aware of symptoms such as unintentional weight loss, fevers or chills, body aches and joint pain, or enlarged lymph nodes.

What is the most common cause of night sweats? ›

Your sleepwear and sleep environment

Ram says that the most common reason for night sweats are: Bedding, sleepwear or even a mattress that doesn't "breathe" A sleep environment that's too warm.

What cancers cause night sweats? ›

Leukemia and lymphoma are among the cancers associated with night sweats. Those associated with leukemia usually occur in conjunction with symptoms such as fatigue, weight loss, or excessive bruising. Leukemia-related sweats may also result from daytime fevers.

Can high testosterone cause night sweats? ›

Hot flashes and night sweats are often linked to hormonal imbalances among women, especially during menopause. But men can experience hot flashes and night sweats too. Night sweats in men are sometimes linked to low levels of testosterone, or “low T.” Testosterone is the main sex hormone in men.

Why do I sweat around my neck and chest at night? ›

"Night sweats can be caused by a number of medical conditions. Some of the most common causes include the menopause, anxiety, medicines, low blood sugar, infections, alcohol or drug misuse, and hyperhidrosis," says Gilani.

What nobody tells about night sweats? ›

There are several common reasons for night sweats – from spicy foods to warm bedrooms – but excess sweating can be a sign of a medical condition such as an infection, menopause or cancer. “Just being hot at night should not worry anyone,” says Dr.

What foods can cause night sweats? ›

Foods that cause an overproduction of acid include: citrus, tomato-based foods, chocolate, caffeine, and spicy or high-fat foods. Sometimes simple changes to your routine can help reduce the symptoms, if not all together alleviate them.

What infections cause night sweats? ›

Infection. Infections can trigger night sweats. Some infections like bacterial endocarditis (infection of the inner lining of your heart and heart valves) and osteomyelitis (bone infections) can cause it.

Why do I sweat so much in my sleep all of a sudden? ›

Night sweats can have a number of causes. They could be related to something simple, like the temperature in your room or what you wear to bed. They could also be related to a medical condition like GERD. Sometimes, night sweats can point to a serious condition like sleep apnea or an autoimmune disorder.

What helps reduce night sweats? ›

These include:
  • establishing a calming routine before bedtime to reduce stress.
  • exercising during the day to decrease stress and help you get restful sleep at night.
  • wearing loose, light clothing while sleeping to stay cool.
  • dressing in layers so you can remove them and add them according to your body temperature.

Can liver issues cause night sweats? ›

Early symptoms may include fatigue and itching. Later symptoms may include upper abdominal pain, fever, chills, night sweats, enlarged liver or spleen, weight loss or jaundice.

Why are night sweats a red flag? ›

Possible causes

Simple infection, such as ENT infection or respiratory tract infection. Malignancy, such as leukaemia or lymphoma. Complex infections, such as TB, HIV. Menopause.

What are lymphoma night sweats like? ›

Drenching night sweats. Many people with Hodgkin lymphoma say their nightclothes or the sheets on the bed were so wet they needed to be changed during the night. Sometimes, heavy sweating occurs during the day.

What are the warning signs of lymphoma? ›

Signs and symptoms of lymphoma may include:
  • Painless swelling of lymph nodes in your neck, armpits or groin.
  • Persistent fatigue.
  • Fever.
  • Night sweats.
  • Shortness of breath.
  • Unexplained weight loss.
  • Itchy skin.
May 5, 2022

What cancers cause night sweats? ›

Leukemia and lymphoma are among the cancers associated with night sweats. Those associated with leukemia usually occur in conjunction with symptoms such as fatigue, weight loss, or excessive bruising. Leukemia-related sweats may also result from daytime fevers.

What helps reduce night sweats? ›

Sipping cool water throughout the night. Keeping a cold pack under a pillow, then turning your pillow over to rest your head on a cool surface. Avoiding common night sweat triggers such as alcohol, spicy foods, caffeine, cigarettes. De-stressing through deep breathing, relaxation, and exercise.

Why are night sweats a red flag? ›

Possible causes

Simple infection, such as ENT infection or respiratory tract infection. Malignancy, such as leukaemia or lymphoma. Complex infections, such as TB, HIV. Menopause.

What are lymphoma night sweats like? ›

Drenching night sweats. Many people with Hodgkin lymphoma say their nightclothes or the sheets on the bed were so wet they needed to be changed during the night. Sometimes, heavy sweating occurs during the day.

What is the most common cause of night sweats? ›

Your sleepwear and sleep environment

Ram says that the most common reason for night sweats are: Bedding, sleepwear or even a mattress that doesn't "breathe" A sleep environment that's too warm.

What vitamin helps with night sweats? ›

Clinical studies conducted by the National Institute of Health (NIH) have shown that vitamin E can significantly ease the discomfort that comes with hot flashes.

REM sleep behavior disorder is a condition characterized by sudden body movements and vocalizations while a person experiences vivid dreams during REM sleep .. REM sleep behavior disorder can manifest as small muscle twitches and quiet sleep talking to loud shouting, punching, kicking, grabbing their bed partner, and jumping out of bed.. For that reason, episodes of REM sleep behavior disorder frequently arise later in a sleep period.. Up to 90 percent of spouses of those with REM sleep disorder report having sleep issues and over 60 percent have experienced a physical injury.. According to the American Academy of Sleep Medicine’s International Classification of Sleep Disorders, a person must meet four criteria to receive a diagnosis of REM sleep behavior disorder:. The point of this is to rule out any other potential causes, like alcohol, medications, or narcolepsy , a sleep disorder that often coexists with REM sleep behavior disorder .. After the exam, a sleep physician will review your medical history, symptoms, and the results of your polysomnogram to determine whether a diagnosis of REM sleep behavior disorder is appropriate.. These changes can be part of a larger set of steps to improve sleep hygiene, such as setting a consistent sleep schedule, that normalize sleep and promote sleep quality.. Establishing a safe sleep environment is one of the most important things someone with REM behavior sleep disorder can do.. REM sleep behavior disorder: Updated review of the core features, the REM sleep behavior disorder-neurodegenerative disease association, evolving concepts, controversies, and future directions.

National Sleep Foundation guidelines advise that healthy adults need between 7 and 9 hours of sleep per night.. And finally, of course, it’s necessary to apply healthy sleep tips so that you can actually get the full night’s sleep that’s recommended.. These guidelines serve as a rule-of-thumb for how much sleep children and adults need while acknowledging that the ideal amount of sleep can vary from person to person.. Deciding how much sleep you need means considering your overall health, daily activities, and typical sleep patterns.. Other organizations, such as the American Academy of Sleep Medicine (AASM) and Sleep Research Society (SRS) have also published recommendations for the amount of sleep needed for adults and children .. Getting more sleep is a key part of the equation, but remember that it’s not just about sleep quantity.. Fortunately, improving sleep hygiene often boosts both the quantity and quality of your sleep.. If you or a family member are experiencing symptoms such as significant sleepiness during the day, chronic snoring, leg cramps or tingling, difficulty breathing during sleep, chronic insomnia , or another symptom that is preventing you from sleeping well, you should consult your primary care doctor or find a sleep professional to determine the underlying cause.. You can try using our Sleep Diary or Sleep Log to track your sleep habits.. National Sleep Foundation's sleep time duration recommendations: methodology and results summary.. Recommended Amount of Sleep for a Healthy Adult: A Joint Consensus Statement of the American Academy of Sleep Medicine and Sleep Research Society.. Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine, 11(6), 591–592.. Recommended Amount of Sleep for Pediatric Populations: A Consensus Statement of the American Academy of Sleep Medicine.. Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine, 12(6), 785–786.

These categories are important because what happens during REM sleep is dramatically different from what happens during non-REM stages.. The fourth stage is REM sleep.. While breathing and heart rate increase during REM sleep, most muscles are paralyzed, which keeps us from acting out those vivid dreams.. In the first sleep cycles of the night, more time is spent in non-REM sleep.. The progression of sleep stages and cycles in one sleep period is known as sleep architecture.. In the early parts of non-REM sleep, brain waves slow down considerably; however, in Stage 2 and Stage 3, there are numerous quick bursts of brain activity.. In REM sleep, brain activity accelerates, showing markedly different types of brain waves.. Heightened brain activity is why REM sleep is known as the stage most associated with vivid dreaming.. As a result, they may not progress through enough sleep cycles to get proper rest, leading to daytime sleepiness as well as negative effects on mood and thinking.. Retrieved October 16, 2020, from Nightmares and disorders of dreaming.. Sleep, dreams, and memory consolidation: the role of the stress hormone cortisol.. International journal of endocrinology, 2015, 591729. Retrieved from

It can take some time for parents to adjust to a new baby’s sleep routine and learn how to help ensure their baby is getting a healthy amount of sleep.. Sleep patterns will change over the first year of a baby’s life, including the number of hours of sleep needed and the duration of sleep periods throughout the day and night.. Recommended Amount of Sleep for Pediatric Populations: A Consensus Statement of the American Academy of Sleep Medicine.. Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine, 12(6), 785–786.. Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine, 12(11), 1549–1561.

Though not a disorder in itself, excessive daytime sleepiness is something to take seriously.. There are many possible causes of excessive daytime sleepiness.. Many people who experience excessive daytime sleepiness don’t appear to have any problems sleeping enough.. You should see a doctor if you’re feeling tired all the time, if excessive daytime sleepiness is affecting your day-to-day life, or if you believe it might be a sign of an underlying disorder.. An approach to excessive daytime sleepiness in adults.. The International Journal of Occupational and Environmental Medicine, 11(2), 95–107.. Sleep, 34(4), 435–442.. Excessive daytime sleepiness in sleep disorders.. Journal of Thoracic Disease, 4(6), 608–616.. Sleep, 38(12), 1995–2003.. Sleep, 40(5), 10.1093/sleep/zsx041.

Work schedules that fall anywhere outside the hours of 7 am to 6 pm are considered shift work.. These schedules may consist of fixed hours, rotating or split shifts, or irregular work times.. Sleep consistency is key for many employees working night shift schedules.. For some shift workers, the “coffee nap” can be effective.. Fixed shift work creates plenty of sleep challenges for employees, but rotating shifts that involve different start and times for shifts during a given week or month can exacerbate these issues.. A given team will work blocks of both day and night shifts lasting three to four days, interspersed with one to three consecutive days off.. Southern Swing : This schedule requires employees to work eight hours per shift for seven consecutive days.. Shift workers with rotating schedules should prepare for shift changes by adjusting their sleep times.. Let’s say you are currently working a day shift and planning to rotate to a night shift the following week.. Rotating shifts every two to three days may also be better for workers than rotating their shifts every five to seven days, and too many consecutive night shifts can be problematic.. They may be able to adjust your shifts or rotations and provide a schedule that is better for your sleep schedule.. Sleep, 29(6), 831–840.

Research exploring common dream themes tells us that 39% of the population has experienced dreams about their teeth falling out, rotting, or breaking , at least one time in their lives.. Recurrent teeth dreams are reported by 16.2% of sleepers, and 8.2% report having teeth dreams regularly.. But whether you’re feeling alarmed after your own unsettling teeth dream or simply curious about why these types of dreams occur, it is important to know that teeth dreams likely do not mean anything serious.. Sigmund Freud and Carl Jung both believed dreams to be symbols of deep psychological significance, and their influence has shaped many ideas about teeth dreams.. More recently, one aspect that puzzles scientific thinkers is that teeth dreams do not fit into the continuity hypothesis about dreaming.. And, although these ideas have not been confirmed by science, they may still prime us to feel worried or anxious should we have a dream about our teeth falling out.. Rozen and Soffer-Dubek from Ben-Gurion University of the Negev, Israel, conducted a research study to better understand the potential relationship between teeth dreams, psychological distress, dental irritation, and sleep quality.. First, they recognized the two overarching themes of interpretation emerging from history and formed their hypotheses — are teeth dreams a symbolic manifestation of psychological distress, or are they a product of our brains incorporating dental stimulation into our sleep?. The study found that teeth dreams correlated to teeth tension, but they did not correlate to teeth grinding.. This early research suggests two things: teeth dreams are related to dental irritation during sleep, and teeth dreams are uniquely related to dental irritation in a way that other types of dreams are not.. While this particular study found no connection between teeth dreams and psychological distress, a previous study found that college students who had teeth dreams felt greater depression, anxiety, helplessness, and loss of control .. Preliminary evidence suggests teeth dreams may relate to dental irritation during sleep and may be more common in people with depression or anxiety .. Dreams of teeth falling out: An empirical investigation of physiological and psychological correlates.

By keeping a record of sleep, the diary makes it possible to calculate total sleep time.. A sleep record also helps people identify sleep disruptions and other factors that can influence sleep quality .. Identifying details about habits that affect sleep can show patterns that help explain sleeping problems.. However, how we start our days is just as important.. The morning is how we introduce ourselves to each day, so getting off to a good start is a routine that takes consistency.. Actigraphy is often recommended when doctors are trying to identify a sleep problem because it offers more objective data than a sleep diary.. Sleep questionnaires involve subjective evaluations of sleep without the detailed recordings made in a sleep diary.. Because of the detail it provides, a polysomnography is the gold standard for identifying many sleep disorders, but it is expensive and requires spending at least one night in a sleep clinic.. Although these devices can be useful for conducting sleep hygiene check-ins, most have not been rigorously tested to ensure their accuracy.. Sleep, 35(2), 287–302.. Sleep, 40(3).

There is no “best treatment for insomnia.” Specific treatment recommendations depend on whether the patient has short-term or chronic insomnia, as well as their medical history.. Specifically, sleep hygiene focuses on increasing behaviors that improve sleep quality and quantity while eliminating behaviors that cause sleep problems.. Stimulus control: Many people with insomnia experience anxiety at the mere prospect of falling asleep, which can exacerbate and prolong their symptoms.. Biofeedback – which helps you control different bodily functions based on your blood pressure, breathing and heart rates, and other metrics – can also be effective for reducing insomnia symptoms and improving sleep.. Additionally, people who take these drugs often develop a tolerance for their sedative effects.. Cognitive Behavioral Treatment of Insomnia.. Drug Scheduling.

The 2011 Sleep in America Poll from the National Sleep Foundation included questions about the use of electronics before bed.. Tempting as it might be to use your computer or phone before bed, studies have shown these devices can interfere with sleep by suppressing the production of melatonin , a natural hormone released in the evening to help you feel tired and ready for sleep.. Electronic back-lit devices like cell phones, tablets, readers, and computers emit short-wavelength enriched light, also known as blue light.. Fluorescent and LED lights also emit blue light, which has been shown to reduce or delay the natural production of melatonin in the evening and decrease feelings of sleepiness.. Blue light can also reduce the amount of time you spend in slow-wave and rapid-eye movement (REM) sleep, two stages of the sleep cycle that are vital for cognitive functioning.. Children are particularly vulnerable to sleep problems stemming from electronic devices that emit blue light.. One study found that bright bedroom lighting can decrease the nocturnal production of melatonin by as much as 90 minutes compared to dim lighting.. Common effects include shorter sleep duration, longer sleep onset, and more sleep deficiency.

Since there are so many variations in caffeinated products, it can be hard to know exactly how much caffeine is in a particular drink, especially a fresh-brewed cup of tea or coffee that has no label.. Caffeine can impact the onset of sleep and reduce sleep time, efficiency, and satisfaction levels .. Caffeine notably reduces the time of slow-wave sleep , which is the stage of deep, restful sleep that leaves us feeling refreshed and alert in the morning.. One study examined the effects of caffeine intake zero, three, and six hours before bedtime, and found that even caffeine consumed six hours before bed could reduce sleep time by one hour.. In addition, study participants reported sleeping problems when consuming caffeine 0-3 hours before bed, but they did not realize their sleep was also disrupted when consuming caffeine six hours before bed.. Caffeine use causes sleep deprivation, and sleep deprivation causes sleepiness the subsequent day, which in turn causes an increased need to consume more caffeine in order to cope with the sleepiness.. Sleepiness can also be a symptom of abstinence from caffeine, which is why regular caffeine users may feel overly sleepy in the morning when they have gone all night without caffeine.. A large cup of coffee can have up to 470 mg of caffeine content which is more than the daily recommended caffeine content.. If you find yourself excessively sleepy during the day and caffeine isn’t helping, it could be a sign you are sleep deprived from extended caffeine use.. Adenosine, caffeine, and performance: From cognitive neuroscience of sleep to sleep pharmacogenetics.

CPAP machines work by pressurizing air that is delivered through a hose and mask into the airway during sleep.. Provides stable support to the base of the CPAP Allows the hose to reach the head of the bed Close enough to an outlet so that you can easily plug in the machine Permits unobstructed ability to turn on the device, open the filter compartment, and add water to the humidifier. Written instructions or instructions from your sleep technician should provide specific details about the filter in your CPAP machine.. The other end of the hose plugs into the CPAP mask and should create a tight connection, sometimes by clicking into place.. There are several types of masks that can be used with a CPAP.. Your doctor or sleep specialist will recommend a mask based on several factors including how you breathe, the pressure you need, and your sleeping position.. Once you have the mask in place, you can turn on your CPAP machine.. Some CPAP machines have a function to test whether the mask has a good seal.. Test out a few sleeping positions to find those that are comfortable for your body, don’t interfere with your ability to wear the mask, and don’t pinch or block the hose.. As you’re getting started with the CPAP device, it’s helpful to allot a bit of extra time before bed to fill the humidifier, get the mask on correctly, and position yourself comfortably.. In order to keep your CPAP working in top shape, you’ll want to keep your mask, hose, and humidifier clean.. The setup and use of bi-level positive airway pressure (BiPAP) or auto-titrating positive airway pressure (APAP) devices is virtually the same as with a CPAP.. While a CPAP dramatically improves sleep in most people with sleep apnea, there can be complications from using them .. Changes in settings or other steps can usually resolve these side effects of CPAP therapy and make it easier for you to sleep well while using the device.

Restless legs syndrome (RLS), also called Willis Ekbom disease causes uncomfortable feelings in the legs, such as itching, prickling, pulling, or crawling.. As a result, the symptoms of RLS often disrupt sleep.. According to the International Classification of Sleep Disorders , the words and phrases most commonly used by RLS patients to describe the feelings are:. Learn more about RLS symptoms here .. RLS symptoms often appear shortly after laying down at night and patients will kick, squirm, or massage their legs to lessen the sensation.. Concerns about sleep are the main reason RLS patients seek medical care for their condition.. It is different from RLS in that these movements are not accompanied by uncomfortable sensations and because they occur during sleep, patients are often not aware of them.. Although most people with RLS have PLMD, many with PLMD do not have RLS.. RLS can also occur temporarily during pregnancy, with around 20% of women developing RLS during the third trimester .. The goals of treatment for RLS are to stabilize symptoms and improve sleep consistency.. The following approaches can reduce symptoms in patients with mild or moderate RLS and may be used in combination with medication in RLS patients who have severe symptoms.. A research study found that RLS patients showed af 39% reduction in symptom severity after six weeks of engaging in an exercise program compared to an 8% symptom reduction in patients who did not exercise.. Effects of restless legs syndrome (RLS) on sleep.. Merck Manual Professional Version: Periodic Limb Movement Disorder (PLMD) and Restless Legs Syndrome (RLS).


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