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170
UpToDate: Treatment of insomnia. uptodate.com/contents/treatment-of-insomnia.
171
Там же.
172
Ansfield M.E, et al. Ironic effects of sleep urgency. Behav Res Ther 1996, PMID: 8826759.
173
National Institute of Neurological Disorders and Stroke: Brain basics. Understanding sleep. ninds.nih.gov/disorders/brain_basics/understanding_sleep.htm.
