Over 300 million Chinese suffer from a sleep disorder, and more than 60% of post-90s suffer from lack of sleep, Chinanews.com reported on Wednesday.

According to the World Health Organization (WHO), 27% of people worldwide are suffering from a sleep disorder. Results of a sleep investigation released by the Chinese Sleep Research Society in 2016 also demonstrates that 38.2% of Chinese adults suffered from insomnia and over 300 million Chinese suffer from a sleep disorder.

More data is still being added.