Human circadian rhythms in activity, body temperature and other functions.

@article{Aschoff1967HumanCR,
  title={Human circadian rhythms in activity, body temperature and other functions.},
  author={J{\"u}rgen Von Aschoff},
  journal={Life sciences and space research},
  year={1967},
  volume={5},
  pages={159-73}
}
From earlier studies in the field of 24-hr rhythms, it has been concluded that the rhythm is an exogenous one, governed by social influences on behavior and, perhaps, by cosmic stimuli. Recently, new steps have been made in two directions: 1) the phase-relationships between many rhythmic functions have been described in detail; 2) it has been demonstrated that the rhythm is based on an endogenous, self-sustained oscillation. In conditions of isolation, subjects show a 'circadian' rhythm whose… CONTINUE READING