Like sleepwalking or sleeptalking, sexsomnia is a disorder — but one in which people engage in sexual activity Getty Some people sleepwalk. Others talk in their sleep. And then there’s another sleep ...

Stress, menstruation, and alcohol use are just a few factors that can trigger sleepwalking. For some people, sleepwalking can accompany other health conditions, including certain mental health ...

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 ...

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 ...

What is REM sleep disorder? REM sleep disorder (RBD) is a type of parasomnia associated with synucleinopathies ––a diverse group of neurodegenerative disorders thought to share a common pathologic ...

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 ...