This insomnia is influenced by lower levels of estrogen and progesterone, which has a natural calming effect on the body's nervous system. (consumerhealthdigest.com)
Carbohydrates can have a calming effect on the body, while foods high in protein or sugar generate alertness, particularly when eaten alone. (childdevelopmentinfo.com)
Because they act on the kidneys — which in Chinese medicine are the organs associated with fear — they also have a calming effect on the body. (mindbodygreen.com)