How people wake up is associated with previous night’s sleep together with physical activity and food intake

Raphael Vallat (), Sarah E. Berry, Neli Tsereteli, Joan Capdevila, Haya Al Khatib, Ana M. Valdes, Linda M. Delahanty, David A. Drew, Andrew T. Chan, Jonathan Wolf, Paul W. Franks, Tim D. Spector and Matthew P. Walker ()
Additional contact information
Raphael Vallat: University of California
Sarah E. Berry: King’s College London
Neli Tsereteli: Lund University
Joan Capdevila: Zoe Ltd
Haya Al Khatib: King’s College London
Ana M. Valdes: University of Nottingham
Linda M. Delahanty: Diabetes Unit, Massachusetts General Hospital and Harvard Medical School
David A. Drew: Clinical & Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School
Andrew T. Chan: Clinical & Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School
Jonathan Wolf: Zoe Ltd
Paul W. Franks: Lund University
Tim D. Spector: King’s College London
Matthew P. Walker: University of California

Nature Communications, 2022, vol. 13, issue 1, 1-15

Abstract: Abstract How people wake up and regain alertness in the hours after sleep is related to how they are sleeping, eating, and exercising. Here, in a prospective longitudinal study of 833 twins and genetically unrelated adults, we demonstrate that how effectively an individual awakens in the hours following sleep is not associated with their genetics, but instead, four independent factors: sleep quantity/quality the night before, physical activity the day prior, a breakfast rich in carbohydrate, and a lower blood glucose response following breakfast. Furthermore, an individual’s set-point of daily alertness is related to the quality of their sleep, their positive emotional state, and their age. Together, these findings reveal a set of non-genetic (i.e., not fixed) factors associated with daily alertness that are modifiable.

Date: 2022
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DOI: 10.1038/s41467-022-34503-2

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