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Anabolic Sleep Window

Meaning

The Anabolic Sleep Window is the specific nocturnal phase, typically coinciding with deep non-REM sleep stages, where the pulsatile secretion of growth hormone (GH) is at its zenith, facilitating tissue repair and protein synthesis. This critical physiological period maximizes the body’s capacity for anabolism, which is essential for muscle regeneration and cellular restoration. Clinically, optimizing this window is a primary target for improving physical recovery and overall hormonal balance.