What Happens During Sleep?
During sleep, the body carries out vital processes: the brain consolidates memories, cells repair and regenerate, hormones are regulated, and the immune system is supported. Sleep is not passive rest — it is an active and essential biological process.
How Much Sleep Do Adults Need?
Most adults function best with 7 to 9 hours of sleep per night, according to guidelines from leading sleep organisations. Quality matters as much as quantity — interrupted or shallow sleep may not provide the same restorative benefits as uninterrupted, deep sleep.
Common Sleep Disruptors
Exposure to blue light from screens before bed, irregular sleep schedules, high caffeine intake in the afternoon and evening, and high stress levels are among the most common factors that may impair sleep quality.
Sleep Hygiene Tips
Maintain a consistent sleep schedule, even on weekends. Create a cool, dark, and quiet sleeping environment. Establish a relaxing wind-down routine in the hour before bed. Limit caffeine after midday and avoid large meals close to bedtime.
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