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9 Foods That Can Make You Feel Sleepy

✱ Oily fish

Oily fish
Image source: Tamara Kulikova / Shutterstock.com

The acids contained in salmon, tuna, and other oily fish increase the production of melatonin. These acids reduce the level of stress hormones in the blood, and the only thing you want to do after eating is to curl up and sleep.

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