Alex Muller, «University Departments Reduce the Amount of 8 a.m. Course Offerings,» The Daily Collegian, April 27, 2005, .
652
«PSYC 235: Sleep and Dreams (PSYC 135),» Stanford University, .
653
Mickey Trockel, Rachel Manber, Vickie Chang, Alexandra Thurston, and Craig Barr Tailor, «An E-mail Delivered CBT for Sleep-Health Program for College Students: Effects on Sleep Quality and Depression Symptoms,» Journal of Clinical Sleep Medicine 7 (2011): 276–81.
