Black tea helps you sleep.

Black tea. According to China Youth Daily, black tea contains gamma-aminobutyric acid and L-theanine, both of which are natural non-protein amino acids that improve sleep, lower blood pressure, relieve stress and prevent Alzheimer's disease,

And the more tender the black tea, the higher the content of these two amino acids. It is worth noting that to improve sleep by drinking black tea, just drink the first two brews, the third brew after the black tea will make people drink more and more excited.

Extended information:

Other sleep-aiding foods:

Black sesame seeds. Globe introduces that many people nowadays live a fast-paced life and work under pressure, which leads to the brain being in a state of excitement even at night, which in turn makes it difficult to fall asleep. In this case, eat some black sesame can effectively improve the quality of sleep,

Black sesame is rich in glutamic acid, and glutamic acid is the synthesis raw material of GABA. GABA is a kind of neurotransmitter, can relax the brain, with the role of sleep aid. In addition, black sesame seeds also contain tryptophan, vitamin B6, niacin, calcium and other nutrients conducive to sleep.

People's Daily Online - correctly drink black tea is conducive to sleep, inventory of those who are "buried" sleep food