by Maren Kasselik
Melatonin stabilizes your sleep and wakefulness patterns by regulating the chemicals in your body that make you feel either drowsy or alert—it doesn’t induce sleep like a pill might. If you’re a shift worker, you’re trying to overcome jetlag, or if you’re struggling with random bouts of sleeplessness, increasing your melatonin levels can help you overcome a mismatch between the timing of your internal clock and your environmental routine, Ellis says.
Sunflower seeds 29
Tart cherries (up to) 15
Strawberries (up to) 11
Sources: Critical Reviews in Food Science and Nutrition and Food Chemistry menshealth.com