You fall asleep at an appropriate hour, giving yourself enough time to rest before a big day ahead — only to be jolted awake by racing thoughts: Was your friend secretly offended by your joke? Are ...

What should you do if you wake up in the middle of the night and can’t fall back asleep? This is one of the most common—and frustrating—forms of insomnia. It turns out there’s a biological reason for ...

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 ...

With fall underway and nights now longer than days, sunsets are already creeping earlier—and in just a few weeks, clocks will “fall back” for daylight saving time (DST). The twice-yearly clock change ...