Dietary intake is associated with human chronotype as assessed by both morningness–eveningness score and preferred midpoint of sleep in young Japanese women

Apr 19, 2011International journal of food sciences and nutrition

Diet relates to natural sleep-wake patterns measured by morning-evening preference and sleep timing in young Japanese women

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Abstract

A lower Morningness-Eveningness Questionnaire score is associated with a lower intake of protein, vitamins, and minerals in 112 young Japanese women.

  • Evening-type individuals tend to consume less protein, calcium, magnesium, zinc, and certain vitamins compared to morning-type individuals.
  • A later midpoint of sleep correlates with reduced intake of protein, cholesterol, potassium, and several vitamins.
  • Both lower dietary intakes of essential nutrients and higher consumption of noodles are observed in those with evening chronotype.
  • These findings indicate that an evening chronotype may be linked to less healthy eating patterns.

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