Everyone has nights when they can't sleep. And staying in bed awake is the worst thing to do. Heres's what to do if you can't sleep. assistant professor in medicine at Harvard Medical School and ...

how much exercise I do, or how early I go to bed. If that sounds familiar, you – like me – may have something called sleep ...

Lately, I’ve been waking up every night in the middle of the night like clockwork. It’s a bit of a mystery as to why: I haven’t been feeling particularly stressed about anything—not work, not my ...

As a young physician in Sydney, Australia in 1979, Colin Sullivan conceived of an experiment to help people with nighttime breathing issues. After several months of waiting for the right patient, he ...

If falling asleep has been harder since the weather got cold, then you might have a case of “winter insomnia.” This is a sleep issue that crops up in the chillier months, and it can make it impossible ...

It turns out, this could be a sign that you’re overdoing it or that your workout routine could use some tweaking. Here’s what the experts say about why you can’t sleep post-workout, what it means for ...

While some people may experience this “second wind” on occasion, others may be experiencing a sleep disorder, like insomnia ...