When you look at your personal data in your Fitbit app, you might be surprised to see several periods of restless sleep during the night. Chances are, you don’t have to worry about them—it’s common to move around a bit. “Sleep is not completely still,” says Michael Grandner, PhD, MTR, a Fitbit sleep advisor and director of the Sleep and Health Research Program at the University of Arizona College of Medicine. “It’s perfectly normal to have periods of restlessness—10 or even up to 30 could be normal for you,” he says. (Here’s when restlessness might be more concerning.)
Still, when restlessness leads to full on wakefulness, it’s time to get to the bottom of what’s preventing you from sleeping like a log. These five factors might be turning you into a restless sleeper.