How many people suffer from insomnia in China, and which cities are they mainly concentrated in?

At present, the population of insomnia in China is about 30-50 million, and the main cities are Guangdong, Shanghai, Beijing and Tianjin, with a serious proportion of insomnia. And there are many factors that lead to insomnia.

Work pressure, thinking about work after work.

Life is stressful, and there is no material and no economic source.

Sleeping late becomes a habit, and sleeping late is also a kind of insomnia.

Frequent nightlife and emotional entanglements

People who have just started a business and want to start a business spend a lot of energy thinking about the future all day.

Depressed patients and mental patients

A person with bold ideas but no ability, a person with ability but not being reused.

People who stay up late to work overtime and stay up late to catch things they like.

By so many standards, insomnia in developed cities is relatively serious relative to the population. In fact, almost all of them are a series of insomnia symptoms around emotions, stress, responsibilities and other events.