Physical changes may also cause insomnia, if it’s difficult to adapt to environmental changes.
Psychological factors, such as anxiety, uneasy, depression, unpleasant, can cause insomnia, too. In addition, many mental disorders caused by the disease will suffer from insomnia, such as neurasthenia, depression, schizophrenia and so on.
Gastric lavage will cause insomnia.
Some food and beverages can lead to insomnia, such as tea, coffee, cola and other material containing the nerve stimulation. Alcohol will make sleep shallow. People in temperance will suffer from insomnia.
The fear of insomnia will lead to insomnia.
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