Do you ever go to bed feeling just fine, but wake up with a stiff neck or achy shoulders? In a 2016 study looking at more than 150 conditions, researchers found Americans spent more health care ...

Sleep inertia occurs when your body is fighting to stay asleep when you want it to wake up. It generally feels like a temporary disorientation and drop in performance or mood after you wake up. Here's ...

Is late-night tossing and turning stealing your shut-eye? You’re not alone. Nearly one in five US adults struggle to stay asleep until sunrise — turning the dream of 8 hours of uninterrupted rest into ...

It’s normal to technically “wake up” as many as 20 times a night ― but you shouldn’t notice, or remember, most of those ...

Why do I randomly wake up at the same time each night? It’s always 4am on the dot. I’m starting to wonder if it has some special significance – beyond sheer annoyance. I’ve tried eyemasks. Relaxation ...

Sleep experts recommend against snoozing after a wake-up alarm, but a study shows the practice is common, with more than 50% of sleep sessions logged ending in a snooze alarm and users spending 11 ...