There is some evidence that high levels of selenium can cause sleep problems and can be detected in hair, but that's such a rare condition that nobody is testing for it as far as I know. Other more common sleep disorders don't show up in the form of altered hair chemistry or structure. read more
Chronic Illness Sleep problems can be due to a chronic illness, such as diabetes, arthritis, HIV/AIDS, lupus, Parkinson's disease, Alzheimer's disease, and multiple sclerosis. Psychiatric Complications There is no evidence that sleep disorders are a cause of psychiatric disorders. But sleep and psychiatric disorders such as schizophrenia and depression are closely related. read more
Sleep disorders are a group of conditions that affect the ability to sleep well on a regular basis. Learn about sleep disorder symptoms, types, and treatment. Sleep disorders are a group of conditions that affect the ability to sleep well on a regular basis. read more