C. A. Czeisler, J. C. Zimmerman, J. Ronda, M. C. Moore-Ede, and E, D. Weitzman, “Timing of REM sleep is coupled to the circadian rhythm of body temperature in man,” Sleep 2 (1980), pp. 329–346. См. также Czeisler et al. (1980); Moore-Ede et al. (1982), pp. 205–215; Coleman (1986), pp. 104–130.