
24. Grapes
Not many people know that research indicates that grape-related foods, such as grape juice and wine grapes, are a natural source of melatonin. People often refer to melatonin as the sleep hormone. Why? Because melatonin is a natural hormone produced by the pineal gland in the brain. Having that little extra melatonin boost helps you fall asleep a bit more easily. Add some grapes and darkness, which actually prompts the pineal gland to start producing melatonin, to your nighttime routine, and you are sure to have a better night’s sleep. Keep reading for the best late-night snacks and foods that can help improve your sleep quality.