When the Human Circadian System is Caught Napping: Evidence for Endogenous Rhythms Close to 24 Hours

Animal sleep: A review of sleep duration across phylogeny

1984 • 804 citations

Circadian Rhythms in Man

1965 • 689 citations

The circadian system of man—Results of experiments under temporal isolation

1980 • 521 citations

Napping behavior during "spontaneous internal desynchronization": sleep remains in synchrony with body temperature.

1985 • 66 citations

Ultradian Components of Human Sleep/Wake Patterns During Disentrainment

1985 • 54 citations

Chronobiology of man. Sleep, temperature and neuroendocrine rhythms.

1982 • 17 citations