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Comparison of circadian rhythms in male and female humansHeart rate (HR) and rectal temperature (RT) data were obtained from 12 female and 27 male subjects. The subjects were housed in a facility where the environment was controlled. Human male and female RT and HR exhibit a circadian rhythm with an excursion of about 1.2 C and 30 beats/min, respectively. The acrophases, amplitudes, and level crossings are only slightly different between the sexes. The male HR and RT circadian wave forms are more stable than those of the females. However, the actual RT and HR of males were always lower than that of females at all time points around the clock. The HR during sleep in females is 15 per cent below the daily mean heart rate and in males, 22 per cent.
Document ID
19790027934
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Winget, C. M.
(NASA Ames Research Center Moffett Field, CA, United States)
Deroshia, C. W.
(NASA Ames Research Center Moffett Field, CA, United States)
Vernikos-Danellis, J.
(NASA Ames Research Center Biomedical Research Div., Moffett Field, Calif., United States)
Rosenblatt, W. S.
(NASA Ames Research Center Moffett Field, CA, United States)
Hetherington, N. W.
(NASA Ames Research Center Biomedical Research Div., Moffett Field; Geneticon, Walnut Creek, Calif., United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1977
Publication Information
Publication: Waking and Sleeping
Volume: 1
Subject Category
Life Sciences (General)
Accession Number
79A11947
Distribution Limits
Public
Copyright
Other

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