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Neurobehavioral performance impairment in insomnia: relationships with self-reported sleep and daytime functioning.

L. Epstein, D. Kirsch, P. Gehrman, 2014, Sleep.

Prevalence of depression in patients referred with snoring and obstructive sleep apnoea

E. Dabscheck, T. Roebuck, M T Naughton, 2013, Internal medicine journal.

Circadian Phase and Phase Angle Disorders in Primary Insomnia

L. Epstein, D. Kirsch, P. Gehrman, 2017, Sleep.