43-
44:   Circadian Rhythm
45-
46:   From the Latin circa (about) dies (a day), the circadian rhythm is the
47-   twenty-four-hour cycle of light/dark, wakefulness/sleep to which most
--
83-   may lengthen to a cycle of between 30 and 48 hours, while the
84:   temperature rhythm may remain at a period of, say, 25 hours. Such
85-   desynchronization of the body's intricate rhythms is suspected to
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88-
89:   Circannual Rhythm
90-
91:   Circannual rhythm is the annual or yearly cycle used by all living
92-   things.
93-
94:   Circaseptan Rhythm
95-
96:   Circaseptan rhythm is a seven-day cycle in which the biological
97-   processes of life, including disease symptoms and development, resolve.
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101-   the patients at particular times may be more effective than at other
102:   times. These are all related to the circaseptan rhythm.
103-