💤 Recovery & SleepAugust 8, 2026•6 min read
Sleep Architecture & Central Nervous System Recovery
AF
AuralFit Editorial Team
AuralFit Science & Athletic Coaching Desk
Training in the gym is the stimulus; sleep is when cellular adaptation and structural repair physically occur. Chronic sleep restriction reduces testosterone, elevates catabolic cortisol, and blunts myofibrillar protein synthesis.
Slow-Wave Sleep and Growth Hormone Pulses
Up to 70% of daily human growth hormone (HGH) secretion occurs during slow-wave Stage 3 and 4 delta sleep. Cutting sleep from 8 hours to 6 hours disproportionately reduces slow-wave sleep cycles, impairing tendon and muscle restoration.
Sleep Hygiene Protocols for Lifters
Keep your sleeping room cool (18–20°C), avoid caffeine within 8 hours of bedtime, and maintain consistent wake times to anchor your circadian rhythm.
Put Science Into Practice
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