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 ...

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 ...

A 2023 study found that shorter sleep duration causes reduced brain cortical thickness. Sleep disorders increase the risk of Alzheimer’s, stroke, and cognitive decline. Chronic sleep deprivation ...

Sleep is essential. Getting a good night’s rest is important for functioning well during the day. However, a number of sleep disorders can affect how much rest a person gets. Share on Pinterest ...

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 ...

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 ...

Sleep disorders can affect people of any age. Delayed sleep-wake phase disorder, restless legs syndrome, and insomnia are a few examples of disorders that may disrupt sleep cycles in teens. Sleep-wake ...

Advanced sleep phase disorder is a rare condition that causes your natural circadian rhythm, or sleep-wake cycle, to occur earlier than typical. As humans, our sleep-wake cycle— also known as our ...

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 ...

Insomnia is the most well-known sleep disorder, but it’s far from the only one. Countless people of all ages struggle with sleep disorders that negatively affect the quality of their sleep, cause them ...

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 ...