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Hormonal Control of Sleep

Meaning

Hormonal Control of Sleep describes the intricate, bidirectional regulatory relationship between the endocrine system and the sleep-wake cycle, where specific hormones initiate, maintain, and terminate the various sleep stages. Key hormonal signals like melatonin and cortisol act as chronobiotic regulators, while others, including Growth Hormone and prolactin, are released in a sleep-dependent, pulsatile manner, significantly influencing nocturnal tissue repair and metabolic homeostasis. The integrity of this precise hormonal rhythm is absolutely essential for achieving restorative sleep and maintaining optimal systemic health.