12 foods that will help you sleep

If you have trouble falling asleep, you may not have to resort to popping Ambien.

Some foods are naturally rich in tryptophan, serotonin and melatonin, the chemicals that regulate your body's internal clock.

Proteins and dairy - like nuts and yogurt - contain tryptophan, the amino acid you need to put your body to sleep. And carbohydrates - like breads and rice - can also help you sleep, since they help speed up the release of sleep-inducing chemicals, according to the National Sleep Foundation.

Here are 12 pre-bedtime snacks that are more exciting than chamomile.