Stress: If you are stressed at work or study, it may lead to excessive mental stress and affect your sleep, so it will cause insomnia.

2. Environmental impact: The environmental impact may be that the weather is too hot or too cold, which will affect the comfort of the body, so it will also cause sleep, or it may be caused by noise pollution.

3, neurasthenia: neurasthenia may be due to long-term labor and work, will cause insomnia and dreams, but also accompanied by memory loss.

There are many reasons for insomnia, besides genetic factors, it may also be caused by anxiety, depression and other factors, which need to be treated according to the cause.