For an activity most of us spend about a third of our lives doing, there’s a lot scientists still don’t understand about ...

Sleep scientists have a term for what’s happening: orthosomnia —trouble sleeping caused by the stress of trying too hard to ...

Every year in (most of) the U.S., we move our clocks ahead one hour in the spring and one hour back in the fall. That time in between is called daylight saving time. (That’s right, drop that “s.”) As ...