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 ...

Forbes contributors publish independent expert analyses and insights. Caroline Castrillon covers career, entrepreneurship and women at work. From Apple CEO Tim Cook to Vogue editor-in-chief Anna ...

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 ...