Examlex
The Long March
REM Sleep
REM sleep, or rapid eye movement sleep, is a stage of sleep characterized by the rapid movement of the eyes, vivid dreaming, and increased brain activity, playing a critical role in emotional regulation and memory consolidation.
N3 Sleep
The stage of deep sleep that is difficult to awaken from, associated with the repair and restoration of the body.
Natural Sleep Aid
Any substance or practice that naturally supports or enhances the quality and onset of sleep, such as melatonin or calming techniques.
Caffeine
A stimulant to the central nervous system, commonly found in coffee and tea, known to reduce fatigue and improve concentration.
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