How many hours of sleep you get certainly matters, but research shows when you get those hours matters even more.

Most people think sleep is just downtime, but turns out your body is actually pretty busy while you’re sleeping. Your metabolism doesn’t just clock out when you fall asleep – it’s more like switching ...

Researchers trace how different sleep stages may fine-tune what we remember, trading specifics for more general knowledge. When you purchase through links on our site, we may earn an affiliate ...