A sleep disturbance may be a symptom of a health issue or an adverse effect of therapy to treat the problem. The stress of chronic illness can also cause insomnia and daytime drowsiness. Common conditions often associated with sleep problems include heartburn,
diabetes, cardiovascular disease, musculoskeletal disorders,
kidney disease, mental health problems, neurological disorders, respiratory problems, and
thyroid disease.
Next Steps
So find the root cause & get treated accordingly.