There are more than 50 sleep disorders classified by the American Academy of Sleep Medicine (AASM). A sleep disorder can severely impact a person's daily life. A sleep specialist can connect each of ...

Most of us report that we regularly do not get enough sleep. Given that chronic insufficient and poor quality sleep has been linked with physical illness, such as cancer, and mental illness, such as ...

Dyssomnias affect the quality of your sleep, such as the amount or timing. Since there are many different types of dyssomnia, they can be caused by different things. Finding the cause of your ...

Sleep-eating disorders, like nocturnal eating syndrome (NES) and sleep-related eating disorder (SRED), may cause people to eat more than they desire at night. However, treatments are available. There ...

What’s a Sleep Disorder? A sleep disorder is any one of a group of conditions that get in the way of good sleep. Lack of sleep can take a toll on your health, happiness, and quality of life, so it’s ...

You know that weird twilight zone between being awake and falling asleep? That dreamy state where your mind starts conjuring up strange images and sounds that feel almost real? For most people, it’s ...

A person’s symptoms may vary depending on the sleep disorder affecting them. People may have difficulty falling asleep or experience low quality, disrupted sleep. The amount of sleep someone needs ...

Non-24-hour sleep-wake disorder (N24SWD) occurs when your sleep-wake cycle gradually shifts out of sync with the 24-hour day. It affects about half of blind people, but it can also affect those with ...

Sleep-related eating disorders can be disruptive, dangerous and hard to notice. Here's what medical experts say about symptoms, causes and treatment. Joshua Cox-Steib Joshua Cox-Steib is a sociologist ...

Past age 50, men are much more likely to have REM sleep behavior disorder than women. Jose Luis Pelaez/Stone via Getty Images Every night, you go through four to five sleep cycles. Each cycle, lasting ...

It’s more than a sex dream. Sexsomnia, or sleep sex, is a rare but real sleep disorder that causes people to engage in sexual behaviors including dirty talk, masturbating and sex all while asleep. The ...

Sleep is a major determinant of physical and mental health and, conversely, sleep deficiency is associated with a variety of clinical conditions including cardiovascular diseases and psychiatric and ...