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DNA Repair during Sleep

Meaning

DNA Repair during Sleep refers to the heightened cellular maintenance and genomic surveillance processes that predominantly occur during nocturnal rest to correct accumulated DNA damage. This restorative function is crucial for maintaining genomic integrity, which is a primary determinant of cellular health, aging, and cancer prevention. Adequate sleep provides a necessary window of reduced metabolic demand and decreased exposure to environmental stressors, allowing the energy-intensive repair mechanisms to operate effectively. Disruptions to this process can accelerate cellular senescence and compromise endocrine gland function.