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.
Insomnia may be divided into three classes based on the duration of symptoms. 1  Insomnia lasting one week or less may be termed transient insomnia; 2  short-term insomnia lasts more than one week but resolves in less than three weeks; and.  long-term or chronic insomnia lasts more than three weeks.