Sleep and Diet

My sleep research has uncovered some interesting facts. The neurotransmitter balance, the relative presence of different neurotransmitters, appears to play a significant role in fatigue. These neurotransmitters all have dietary precursors. Sleep and diet is therefore closely linked. If the diet is insufficient in a certain nutrient this will result in a decline in the availability of a required precursor and one outcome will be altered mood, or a possible cognitive impairment.
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Prehistoric Sleep

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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