774
Philip Roth, interview with Scott Simon, «At 80, Philip Roth Reflects on Life, Literature and the Beauty of Naps,» Weekend Edition, NPR, March 23, 2013, .
775
«Neuropsychology: Power Naps Produce a Significant Improvement in Memory Performance,» Science Daily, March 29, 2015, .
776
«Might Lefties and Righties Benefit Differently from a Power Nap?» Georgetown University press release, October 17, 2012, .
777
Yo-Yo Ma, conversation with the author, October 4, 2015.
778
Hideki Tanaka, Kazuhiko Taira, Masashi Arakawa, Hiroki Toguti, Chisae Urasaki, Yukari Yamamoto, Eiko Uezu, Tadao Hori, and Shuichiro Shirakawa, «Effects of Short Nap and Exercise on Elderly People Having Difficulty in Sleeping,» Psychiatry and Clinical Neurosciences 55 (2001): 173–74.
