TUESDAY Q & A: âFrozen shoulderâ develops slowly and can take months to heal. Posted by Dana Sparks, Jan 14, 2014. DEAR MAYO CLINIC: Iâve had pain in my right shoulder for a few weeks that has been getting worse rather than better, even though Iâm letting it rest.
1 Bipolar disorder. 2  Feeling sad or depressed. (Often, insomnia is the symptom that causes people with depression to seek medical help.)  Stress and anxiety, whether it is short-term or long-term. For some people, the stress caused by insomnia makes it even harder to fall asleep.
Chronic insomnia lasts for a month or longer. Most cases of chronic insomnia are secondary, which means they are the symptom or side effect of some other problem. Certain medical conditions, medicines, sleep disorders, and substances can cause secondary insomnia.