Rock-a-bye baby

You’ve done all the obvious stuff—cut out late-night caffeine, made sure your bedroom is dark and cozy, avoided scary movies or struggling with your to-do list right before bed. So why are you still tossing and turning? “Certain habits you’re unaware of could be sabotaging your sleep,” says Kristen L. Knutson, PhD, assistant professor and sleep specialist at the University of Chicago’s Department of Medicine.