THE ROLE OF THE DEEP SLEEP PHASE IN THE BODY'S RECOVERY PROCESSES

This article examines the physiological, neurological, and psychological significance of deep sleep (the N3 stage) in the body’s recovery processes. It discusses the role of deep sleep in cellular regeneration, immune system activity, brain clearance through the glymphatic system, metabolic regulation, cardiovascular stability, and emotional balance, drawing on contemporary scientific literature. The paper also analyzes how modern lifestyle factors affect the quality of deep sleep and outlines practical recommendations for improving slow-wave sleep.