Insomnia is the most commonly reported sleep disorder. Approximately, 30% of adults have insomniac symptoms. Traditional thinking suggested that insomnia is the result of depression.
Jules Angst, MD, Zurich University Psychiatric Hospital, Switzerland, conducted 6 interviews with 591 young adults over a 20 year period. He was able to distinguish 4 subtypes of insomnia:
In 40% of the participants over time insomnia developed into the more serious chronic form. Those with ‘one-month insomnia’ gradually increased the number of occurrences. Insomnia lasting 2 weeks, or longer, preceded major depressive episodes and depressive disorder.
Scientist used to think that insomnia was most often a symptom of depression, but research now suggest that insomnia precedes depression. They also found that over time insomnia tends to become a chronic problem unlike depression that is a more intermittent problem.
The American Academy of Sleep Medicine (AASM) offers the following tips on how to get a good night’s sleep:
The article appears in the April 1 issue of the journal Sleep.