Sleep and the Immune System: How Rest Strengthens Your Body’s Defenses

Digital illustration showing the relationship between sleep and the immune system, highlighting how deep and REM sleep boost immunity naturally.

Introduction Sleep and the immune system are deeply connected, yet many people underestimate how much rest influences overall health. While you sleep, your body is not just “shutting down” — it is actively repairing tissues, producing immune cells, and releasing proteins that help fight infection. Without enough quality sleep, your immune system becomes less efficient, … Ler mais