China's night owls are staying up even later at night. A survey has shown that as of February, the average bedtime for ...

BEIJING -- Chinese experts have warned of the effect of overusing cell phones on sleep quality, as the electronic device has ...

Chinese experts have warned of the effect of overusing cell phones on sleep quality, as the electronic device has become indispensable to modern life while problems with sleep have surged.

according to the survey released by the Chinese Sleep Research Society ahead of World Sleep Day, which fell on Friday. Based on data collected from the wearable devices of over 150,000 people ...