James Maas

Dr. James Maas is a social psychologist best known for his work in the field of sleep research, specifically the relationship between sleep and performance. He famously coined the term "power nap" and wrote the best-selling book Power Sleep.

For over forty years, he has taught Psychology 101 at Cornell University. At times this class has had an enrollment of up to 1,900 students making it the largest class in the country. Since he began teaching, he has instructed over 50,000 students. The class is taught in Bailey Hall.

He holds a B.A. from Williams College and an M.A. and Ph.D. from Cornell.