Adopting this habit could transform your quality of sleep—especially as daylight saving time approaches.

I'm energized after 7.5 or 9 hours sleep, but groggy after 8. A sleep expert tells me why.

Plus, what you can do to get better rest.

With a new year underway, it might seem like a good idea to embrace a stricter morning routine of waking up early and getting a jump-start on the day — but a 6 a.m. alarm isn’t for everyone, experts ...

You did everything right. You went to bed on time. You ditched the doomscrolling. You even got a full eight hours. So why do you still wake up feeling like you barely slept? Nearly one in three adults ...