According to the Daily Mail, 46-year-old Sarah Chalmers participated in a sleep school experiment in London, England, for five consecutive days only six hours of sleep versus a full eight hours of sleep face-to-face! The left is sleeping 8 hours a day, the right is sleeping 6 hours The survey shows that 31.2% of people in China have serious sleep problems, 22% of people still do not sleep after 24:00, and 43.2% of people sleep late because of the Internet and play cell phones. Did you know? The aging rate of people who do not get enough sleep is 2.5-3 times faster than normal people! How to improve sleep? Which position is easy to fall asleep? How to release stress before going to bed? Follow us to learn!