What affects an individual's alertness from day to day? (IMAGE)

University of California - Berkeley

What affects an individual's alertness from day to day?

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In the new study, Vallat, Walker and their colleagues looked at the influence of genes and non-genetic factors, including environment, on alertness upon waking. By measuring how alertness varies among individuals and in the same individual on different days, they were able to tease out the role played by exercise, sleep, type of breakfast and a person’s glucose response after a meal.

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Raphael Vallat and Matthew Walker, UC Berkeley

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