Co-morbidities are very common. In fact, approximately 50% of individuals with chronic insomnia have comorbid mental health disorders such as depression, anxiety, substance use disorders, and post-traumatic stress disorder (PTSD).
Many medical conditions are associated with insomnia, such as:
- Pulmonary disease such as COPD
- Chronic pain
- Heart failure
- Fibromyalgia, arthritis, enlarged prostate, heart disease, menopause, hyperthyroidism, kidney disease, skin disorders, and gastrointestinal disorders such as gastroesophageal reflux disease