Association between Eating-Fasting and Sleep-Wake Cycles with Eating Times and Food Consumption throughout the Day: Longitudinal Study with Pregnant Women

Apr 28, 2025Sleep science (Sao Paulo, Brazil)

Links between eating and fasting patterns, sleep cycles, and daily meal times and food intake during pregnancy

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Abstract

Food consumption closer to sleep at night is associated with higher total daily caloric intake in the first and second trimesters.

  • Longer intervals between waking up and the first meal are linked to a greater percentage of calories consumed at dinner and the last meal during the first and second trimesters.
  • Higher total daily caloric intake is observed when the last meal is consumed closer to bedtime, particularly in the first and second trimesters.
  • Taking longer to eat the first meal after waking up may lead to increased caloric intake later in the day.
  • Longer time intervals between the last meal and sleep are associated with shorter sleep duration, especially in early and mid-pregnancy.

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Key numbers

0.266
Percentage of Calories at Dinner
Association with waking time to first eating episode in the first trimester
βˆ’0.337
Total Daily Caloric Intake
Negative association with last eating episode to bedtime in the first trimester
βˆ’0.427
Sleep Duration on Workdays
Negative association with last eating episode to bedtime in the first trimester

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