Experts point out that,
Specifically, in spring, the temperature will get higher and higher. When the temperature rises, the pores of the human skin will stretch and the blood supply will increase, but the oxygen supply to the brain will decrease correspondingly,As a result, listless, drowsy performance, the central nervous system is inhibited by the phenomenon.
In addition, due to the long sunshine time in spring, the biological clock developed in winter can not be fully adapted in spring,Spring gets up about an hour earlier than winter. I don't get enough sleep, so I feel sleepy naturally.
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