Found a New York Times article describing a study in which researchers compared the sleep patterns of three different groups of tribal populations; the Hadza and San tribes in Africa, and the Tsimané people in South America. All three groups represent prehistoric tribal populations and all three are found to sleep fewer hours than contemporary Americans.
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Tag Archives: sleep
Sleep Experiment
02:24:47. Awake. Went to bed at 1030. Now up, fully alert and refreshed, only 4 hours later. Very strong and loud ringing in the ears.
Yesterday, I slept in late, until noon. I felt I had a cold coming on and heavy fatigue. Did not take an afternoon nap. Attempted to gauge the point at which I would be tired enough for bed.
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Glycogen Hypothesis
In the attempt to understand my sleep and fatigue problems, I have been reviewing the available scientific literature. Years ago, when I engaged in aerobic running, it was understood that fatigue was a consequence of the build up of lactic acid in the muscle and the depletion of muscle glycogen. This resulted in the sense of fatigue.
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