Counting sleep days | Sleeping for an average of 7 hours, have you spent money for a good night’s sleep?

How long has it been since you slept through the night? Today is the 22nd World Sleep Day in the world, and the Chinese theme is: “Good sleep, healthy companions”.

The quality of sleep affects people’s happiness index, and the growing demand for sleep aids has spawned a market worth hundreds of billions of dollars. The Beijing News Shell Finance reporter interprets the sleep economy spawned by over 300 million insomniacs for you.

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