Every night, before you fall asleep, your body performs countless tasks without your conscious awareness. Your heart continues beating. Your lungs continue breathing. Your cells repair themselves. Hormones rise and fall according to carefully timed biological rhythms.
But perhaps the most fascinating process of all happens inside your brain.
While you sleep, your brain begins an extraordinary cleaning cycle. Scientists have discovered that during sleep, a specialized network known as the glymphatic system becomes significantly more active, helping remove metabolic waste products that accumulate throughout the day. Among these waste
