You fall asleep without much trouble, but suddenly, you're wide awake at 3 AM. You look at the clock, try to get comfortable, and hope you'll drift back to sleep. Instead, your mind starts racing, and before you know it, your alarm is going off. If this sounds familiar, you're not alone. Waking up in the middle of the night is a common sleep complaint, especially during periods of stress, hormonal changes, and midlife. But why does it seem to happen at the same time every nig