We all know sleep is important. Yet, many of us continue to sacrifice it in the name of work, study, social events, or just ...

Why children wet the bed after dreaming of bathrooms: discover the brain, sleep, and hormone factors parents need to know.

Sleep consists of two main types: rapid eye movement (REM) sleep and non-REM (NREM) sleep, with NREM further divided into three stages. Stage 1 is the transition from being awake to falling asleep.

Obstructive sleep apnea, a condition that causes lower oxygen levels during sleep, is linked to degeneration of brain regions associated with memory through damage to the brain's small blood vessels, ...

Caffeine shifts brain activity during sleep by increasing EEG complexity and reducing long-range temporal correlations, ...