18/09/2025
**Understanding Melatonin: Your Body’s Natural Sleep Signal 🌙**
In Chapter 2 of *Why We Sleep*, Matthew Walker reveals how **melatonin**, the “hormone of darkness,” is essential for regulating our internal clock and preparing us for restful sleep.
🔹 **What is Melatonin?**
Produced by the pineal gland, melatonin signals your body that it’s time to wind down as daylight fades. It rises in the evening, peaks overnight, and drops in the morning to keep your sleep-wake cycle on track.
🔹?**
Think of pistol in a race—it signals the start of your sleep but doesn’t make you fall asleep instantly. Instead, it creates the feeling of sleepiness and aligns your body’s nighttime rhythms like temperature and immune function.
🔹 **Why Light Matters**
Exposure to blue light from screens can suppress melatonin, delaying your sleep and disrupting your natural rhythm. Avoid late-night scrolling—it’s like taking the pistol away from the judge, delaying your race to sleep!
🔹 **Supplements?**
Melatonin supplements can help with jet lag or shift work but aren’t a cure-all for insomnia. Use wisely and only when necessary.
Protect your melatonin, and unlock better health and energy every day!
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