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 ...

Alkermes plc (NASDAQ:ALKS) released topline results on Wednesday from the Vibrance-2 dose-ranging phase 2 study evaluating alixorexton (formerly ALKS 2680) in narcolepsy type 2 (NT2). Narcolepsy type ...

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 ...

Compared with placebo, users of solriamfetol (Sunosi) showed improvement on the Epworth Sleepiness Scale (ESS; mean difference -3.8, 95% CI -5.24 to -2.50) after 4 weeks, as did groups taking ...

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 ...

Share on Pinterest A new study looks at how many people may have the sleep disorder idiopathic hypersomnia. skynesher/Getty Images Extreme daytime tiredness and long hours of sleep are indicators of a ...

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 ...