1)Cheng P, Roehrs T, Roth T:Chapter 4:Daytime Sleepiness and Alertness. In Kryger MH, Roth T, Goldstein CA(eds):Kryger's Principles and Practice of Sleep Medicine, 7th Edition. pp35-45, Elsevier, Philadelphia, PA. 2022
2)Johns MW:A new method for measuring daytime sleepiness:the Epworth sleepiness scale. Sleep 14:540-545, 1991
3)Johns MW:Reliability and factor analysis of the Epworth sleepiness scale. Sleep 15:376-381, 1992
4)Takegami M, Suzukamo Y, Wakita T, et al:Development of a Japanese version of the Epworth Sleepiness Scale(JESS)based on item response theory. Sleep Med 10:556-565, 2009
5)Hoddes E, Zarcone V, Smythe H, et al:Quantification of sleepiness:a new approach. Psychophysiology 10:431-436, 1973
6)Åkerstedt T, Gillberg M:Subjective and objective sleepiness in the active individual. Int J Neurosci 52:29-37, 1990
7)Carskadon MA, Dement WC, Mitler MM, et al:Guidelines for the multiple sleep latency test(MSLT):a standard measure of sleepiness. Sleep 9:519-524, 1986
8)Krahn LE, Arand DL, Avidan AY, et al:Recommended protocols for the Multiple Sleep Latency Test and Maintenance of Wakefulness Test in adults:guidance from the American Academy of Sleep Medicine. J Clin Sleep Med 17:2489-2498, 2021
9)American Academy of Sleep Medicine:International Classification of Sleep Disorders, 3rd ed. Darien, IL, American Academy of Sleep Medicine, 2014
10)Belenky G, Wesensten NJ, Thorne DR, et al:Patterns of performance degradation and restoration during sleep restriction and subsequent recovery:a sleep dose-response study. J Sleep Res 12:1-12, 2003
11)Amir Sharafkhaneh A, Hirshkowitz M:Chapter 207:Evaluating Sleepiness and Fatigue. In Kryger MH, Roth T, Goldstein CA(eds):Kryger's Principles and Practice of Sleep Medicine, 7th Edition. pp1941-1950, Elsevier, Philadelphia, PA, 2022