Taking certain drugs
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On the other hand, chronic insomnia can occur on its own or as a result of:
Chronic pain conditions, such as arthritis or back pain.
Psychological problems, such as anxiety, depression, or substance use disorders.
Have certain health conditions such as diabetes, cancer, gastroesophageal reflux disease (GERD), or cardiovascular disease
Chronic insomnia can last for at least 3 months and can be primary or secondary. So far, the primary type of sleep disorder has no known cause. However, in the secondary type, other conditions can occur, such as the influence of medical conditions, psychological problems, use of certain substances, and diabetes.