Cured meats

Photo: Thinkstock

3 of 6
Cured Meats
Bacon, pepperoni and sausage contain high levels of tyramine, an amino acid that boosts the secretion of the brain stimulant norepinephrine.

A better sleep snack: A turkey sandwich on whole wheat toast. Don't forget the bread: The complex carbs combined with the tryptophan in the turkey will stimulate the production of serotonin, which can make you feel drowsy.