Drink booze
"Alcohol tricks you into thinking you will sleep better, because it often makes you drowsy and makes it easier to fall asleep," says Dr. Rosenberg. "But as your body begins to metabolize the alcohol, REM sleep, the period where our sleep is most restorative, is reduced." Impaired REM sleep often leads to waking up tired and unable to concentrate, he adds. Plus, a 2014 University of Missouri study points out that alcohol is a diuretic and may make you have to go to the bathroom through the night. Dr. Rosenberg's advice: For most people, it's okay to have a drink or two with dinner—but skip the nightcap or the glass of wine on the couch right before bed.