Bananas are a good source of vitamin B6, which raises serotonin levels, as well as potassium and magnesium, which help relax overstressed muscles.
With even more melatonin-boosting benefits than bananas, pineapples are a sweet choice for easing insomnia or jet lag.
Oranges can increase the melatonin in your body by approximately 47 percent, but that’s not the only reason you should eat them.
Kale is actually really good for you—and good for your sleep. That’s because kale is loaded with calcium, which helps the brain use tryptophan to manufacture melatonin.
Your body can absorb lycopene more easily if it’s heated in a little fat, so simmer a pot of tomatoes on the stove with a drizzle of oil and a handful of basil.