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Daily discovery of proteins that promote deep sleep They discovered a new type of protein that promotes deep sleep. The research results have been published in the online version of the American magazine Sleep. Researchers from the Institute of Physiology, a Japanese natural science research institute, announced on the 22nd that the new protein they discovered was named "Neuropeptide B". So far, sleeping pills have promoted sleep by inhibiting the activity of the entire brain nerve, and "neuropeptide B" only plays a role in nerves that can promote sleep. Therefore, it is expected to use it to develop sleeping pills that can improve sleep quality with a small amount . The announcement said that the researchers found that "neuropeptide B" exists in the human brain in 2002, but has not yet clarified its specific function. This year, the researchers injected "neuropeptide B" into the head of a mouse in an experiment and found that nocturnal mice still sleep after entering the night. Moreover, when they used the instrument to observe the brain wave and muscle status of the sleeping mouse, they found that the brain and body of the mouse were at rest, which belongs to deep sleep. They therefore concluded that "Neuropeptide B" has the effect of promoting deep sleep.