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Sleep Cycle Biochemistry

Meaning

Sleep Cycle Biochemistry is the study of the complex molecular and hormonal processes that dynamically regulate the progression through the distinct stages of sleep, including Non-Rapid Eye Movement (NREM) and Rapid Eye Movement (REM) sleep. This discipline examines the neurochemical shifts, such as the modulation of neurotransmitters like serotonin and acetylcholine, and the rhythmic secretion of endocrine hormones that characterize each sleep stage. Understanding this biochemistry is fundamental to optimizing sleep quality, which is intrinsically linked to metabolic regulation, cognitive health, and overall hormonal balance.