<p> 9 sleep-aiding foods for those who can't sleep</p><p> 1. Lettuce, eaten at night can help you sleep and relax. </p><p>2. chamomile tea. </p><p>3. Green vegetables containing the mineral magnesium, which helps relax muscles and nerves. </p><p>4. foods containing tryptophan. Peas, figs, and plain yogurt, among others. </p><p>5. buckwheat, barley and sweet potatoes.6. oats.7. honey.8. gluten-rich rice oil. </p><p>9. foods rich in niacin, including eggs, fish, chicken, and soybeans. </p>