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Bananas -

Full of potassium, vitamins, and fiber, bananas make an excellent and nutritious late-night snack.

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Black olives -

If you are concerned about calories, and are simply looking for a tiny snack, a small serving of black olives will work well.

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Vegetables -

In general, vegetables are low in calories, and very good for you. They also often contain more nutrients when raw.

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Cheese and crackers -

Forget the urban myths about cheese giving you bad dreams. It is full of calcium, protein, tryptophan, and melatonin!

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Avocado toast -

This snack is full of healthy fats, fiber, and potassium, which makes it ideal. Just make sure that the bread is whole grain.

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Pistachios -

These fantastic nuts are full of protein, fiber, and healthy fat. Just make sure you get the natural, unsalted variety.

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Omelet -

If you want an even lighter snack, just make the omelet with egg whites, add some spinach, and serve with a small side salad.

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Mini pizza -

Note the emphasis on the word "mini." The only reason pizzas get a bad reputation is because people tend to eat far too much! Essentially, they are bread, cheese, and tomato.

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Hummus -

If you want to be even healthier, and keep your snack light, dip raw vegetables in hummus instead of bread!

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Cottage cheese -

This protein-rich food is nice for a late-night snack. It is even healthier if you add a bit of fruit to it.

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Eggs -

For a fantastic and cheap source of protein and tryptophan, look no further than eggs for a simple midnight snack.

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PBJ sandwich -

The classic peanut butter and jelly sandwich is a perfect late-night snack. Peanut butter is a natural source of tryptophan.

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Yogurt and fruit -

Try low-fat Greek yogurt, which is a great protein source. Not only this, but the calcium in yogurt helps your brain to use both tryptophan and melatonin.

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Couscous salad -

A small serving of couscous salad will satiate you, and not leave you feeling excessively full just before bed.

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Turkey sandwich -

A healthy and nutritious sandwich can be made with turkey, which is high in tryptophan, and salad. Use whole grain bread!

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Bruschetta -

This is a good midnight snack option, as it is light and nutritious. Add some basil to make it more flavorsome.

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Edamame beans -

The combination of fiber and protein is excellent for sleep. Edamame beans also contain soy isoflavones, which can be useful for sleeping.

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Roasted chickpeas -

These are full of protein, and a far healthier option than eating a bag of chips. Add some seasoning for additional flavor.

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Caprese skewers -

This inventive snack is satisfying and extremely easy to make, and consists of just tomatoes, basil, and mozzarella.

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Popcorn -

This hugely popular snack is extremely low in calories if you forgo ingredients like butter. Remember to go easy on added sugar or salt too.

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Tzatziki -

This fantastic Greek yogurt-based dip goes perfectly with a small amount of bread or, even better, some raw vegetables!

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Frozen grapes -

A very light snack, and a healthy one too, frozen grapes will satisfy your cravings, and you can sleep without feeling too heavy.

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Dried cherries -

These dried fruits are a fantastic source of melatonin. They are also low in calories, if you happen to be counting!

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Pumpkin seeds -

If you are thinking of a hugely healthy snack, look no further than pumpkin seeds. They are a great source of magnesium, zinc, and tryptophan.

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Oatmeal and fruit -

A great breakfast combination can also work perfectly as a late-night snack. Bananas and blueberries always work well!

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Granola bars -

Certainly a healthy and convenient option if bought, but even more healthy if you can make your own!

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Bean salad -

A great source of both protein and fiber, beans are also extremely cheap, and will certainly satiate your appetite.

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Cereal -

Avoid cereals with excess sugar. But, as a snack, a good cereal is full of protein and fiber. You can also get calcium from adding milk, and extra vitamins and nutrients from a handful of fruit!

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Noodles -

A simple serving of noodles is a perfectly good option for a late-night snack. Throw in a few vegetables!

See also: Everyday foods you didn't know could kill you

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