Sleep is essential for physical and mental health — it’s crucial for brain function, memory consolidation, tissue repair, immune system maintenance, concentration, hormone regulation and stress ...

At the heart of wellness is consistent, restful, healthy sleep. And there's a lot more to it than just letting your head hit the pillow at night. We spend a third of our lives sleeping, so it goes ...

Sign up for Life Kit's Guide to Better Sleep, a limited-run newsletter series. Over the course of a week, we'll send you science-backed strategies to help you sleep ...

Many Americans are chronically sleep deprived, whether they suffer from insomnia or sleep apnea or are just not able to clock enough hours in bed. The Centers for Disease Control and Prevention ...