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What is Understanding Sleep Stages and Cycles about?

Sleep is divided into two main categories: non-rapid eye movement (NREM) sleep and rapid eye movement (REM) sleep. NREM sleep has 4 stages that progress from light sleep to deep sleep. REM sleep is characterized by rapid eye movements and vivid dreaming. NREM sleep makes up 75% of total sleep and provides restoration, while REM sleep makes up 25% and supports brain development and memory consolidation. Understanding the stages of sleep is important for diagnosing sleep disorders.

Author

Melanie

Language

EN