On November 12, according to foreign media reports, researchers from Chongxin women's University in South Korea published a study in the American Journal sleep,Playing mobile phones before going to bed affects mental health. People who play mobile phones to delay sleep are more likely to suffer from depression, anxiety and insomnia。

Playing mobile phones before going to bed at night will make people always in an excited state, which has an impact on the quality of sleep. And the mobile phone has certain radiation. Playing the mobile phone for too long in the evening will lead to restlessness, anxiety and other emotions, which may lead to insomnia.

The researchers point out that activities such as watching friends' circles or watching videos online before going to bed can lead to depression or anxiety. For this reason, they conducted research to understand the impact of delay before going to bed.

The study looked at 160 people between the ages of 20 and 30 who spent five times more time playing mobile phones before going to bed and one hour more each day than the average person.

The results show that,The researchers found that playing mobile phones long before bedtime had an impact on health and psychology, raising the risk of depression by 20% and anxiety by 14%. And delaying sleep time will increase the probability of insomnia by 41%, while playing mobile phones before sleep will increase the probability of insomnia by 82%。