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 ...

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 ...

Are you struggling to sleep amid the depths and doldrums of winter? You’re not alone. Six in 10 Americans say their sleep routines feel more compromised during the colder months than in other seasons.