During deep sleep: Growth hormone secretion peaks, driving tissue repair and muscle recovery The brains glymphatic system clears metabolic waste products, including proteins associated with neurodegeneration Cortisol levels reach their daily minimum, allowing the adrenal system to reset Immune function regenerates Cellular repair mechanisms run at maximum efficiency Most adults spend less time in deep sleep than optimal, and this deficit increases with age, stress, alcohol consumption, and certain medications
Middle-aged and older participants were more likely to SMVI compared with younger participants
Anyone outside a healthy, monitored research context and especially anyone in one of the sensitive groups above sits entirely beyond the edge of what has been studied, which is exactly why a clinicians judgement, not a web page, is the right place for that decision to be made
It also increases angiogenesis, which boosts the growth of new blood vessels in the injured muscle