Sleep Cycles: One rapid eye movement (REM) stage and three non-REM stages that altogether last about 90 to 120 minutes Benefits: Physical and mental recuperation and memory consolidation Disorders: ...

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 ...

An hour or two after my school-age son has gone to bed, he sometimes wakes up from a nightmare, walks to my room and mumbles incoherently about what’s scaring him. But he seems off, and I can't get ...

Sleep is one of those things everyone does but rarely thinks about. Most people climb into bed, close their eyes, and wake up hours later without wondering what happened in between. But sleep is far ...

Sleep shapes every part of human health, from brain function and memory to immunity, mood and metabolism. This article ...