Kiwi fruit: Its high serotonin content helps control your sleep cycle. Eat two for supper to drop off 35% faster.
Peanut butter. This is a good source of magnesium. A little just before bed will advance the quality of your rest.
Yogurt. The calcium in yoghurt supports deep, REM sleep by converting tryptophan into the slumber-inducing hormone melatonin.
Cherry juice. One glass before bed can add 25 minutes to your total sleep time, due to the boost that it gives your melatonin making process.