Everybody has a night of bad sleep once in a while.
For most people, insomnia lasts only a few days and goes away without treatment.
But factors such as stress can cause a higher level of insomnia that may last for several weeks.
This kind of insomnia may not go away on its own, and can lead to both short- and long-term health problems if left untreated.
A large 11-year study of 25,130 adults in Norway found that chronic insomnia is a risk factor for developing Anxiety Disorders but not for developing depression, although often Anxiety Disorders and depression are present with insomnia.
The study, led by Dag Neckelmann, MD, from Haukeland University Hospital, in Bergen, Norway, was published in the July, 2007 issue of Sleep.
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