Frequently waking up between 3 a.m. and 5 a.m.? Here's what it could mean
It's always the same story. You went to bed at a reasonable hour, without a heavy meal, your phone on airplane mode... and yet, here you are, waking up in the middle of the night, eyes wide open, for no apparent reason. It's 3 a.m. Again. What if this strange moment wasn't just a coincidence? ...