Discover why sleep is more powerful than you think—and how a lack of it can quietly impact everything from your mood to long‑term brain health.

Sleep is important for everyone, but some animals take it to a whole new level. While humans usually need around seven to ...

World Sleep Day 2025: Catch Those Zzzs on March 14 Ah, sleep — the magical reset button we all crave but often neglect. March 14, 2025, marks World Sleep Day, an annual global call to prioritize sleep ...

But despite the fact that virtually everyone has taken a nap at some point or another, whether it’s actually a good thing has ...

Two new studies have found that small improvements in day-to-day life can have substantial impacts on life expectancy.

All products featured on Self are independently selected by Self editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. In reality, sleep is an ...

I can barely sleep past 6:30 a.m. Even if I have the opportunity to sleep in, my body just doesn’t let me; my eyes pop open at the crack of dawn every day, regardless. But my teens? They’re a ...