You might be thinking, “What even is sleep hygiene? Making sure your sleep routine is clean enough? Or your brain gets washed and polished overnight?” Not exactly—but those are actually not that far off.

Think of sleep as your body’s built-in reset button. It’s when your brain processes information, your body repairs itself, your hormones regulate, and your nervous system recalibrates. Sleep hygiene, then, is the collection of habits that support high-quality, restorative sleep.