Stress and anxiety caused by hormone fluctuations means that waking up at 3 a.m. has been plaguing my sleep for months. In these moments of staring at the ceiling, heart pounding and thoughts racing, ...

Sleep experts share what to do and what to avoid. You’ve probably been here before: It’s 3 a.m., you’re awake for reasons you can’t explain and now you can’t fall back asleep. Should you continue ...