Sleep affects nearly every system in your body. Here's why it's non-negotiable for health.
Sleep isn't downtime — it's when your body repairs tissue, consolidates memories, and regulates hormones. Chronic poor sleep is linked with a range of health problems.
You cycle through light sleep, deep sleep, and REM sleep multiple times each night. Each stage plays a distinct role in physical and mental recovery.
Keep a consistent bedtime, limit screens before bed, avoid caffeine late in the day, and keep your bedroom dark, quiet, and cool.
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Occasional catch-up sleep can help, but a consistent schedule is healthier than relying on weekend recovery.
Written by
Sarah LindqvistSenior Health Writer
Sarah writes about sleep, mental health, and everyday wellbeing.
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