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A National Validation Study of the Sleep Disorders Inventory for Students (SDIS)

George M. Batsche, M. Deray, A. Halbower, 2005 .

Morningness/eveningness chronotype, poor sleep quality, and daytime sleepiness in relation to common mental disorders among Peruvian college students

N. D. Yanez, B. Gelaye, S. Sanchez, 2015, Psychology, health & medicine.

Morningness/eveningness chronotype, poor sleep quality, and daytime sleepiness in relation to common mental disorders among Peruvian college students

B. Gelaye, S. Sanchez, Elena Sánchez, 2015, Psychology, health & medicine.