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Sleep and Weight Gain

Thu, Oct 1, 2009

Q&ASleep&WeightGain

Can we gain weight during sleep?

 (American Academy of Sleep Medicine )

  • According to new research, in the presence of free access to food, sleep restricted subjects reported:
    • decrease in appetite, food cravings and food consumption
    • however, they gained weight over the course of the study.
  • Thus, the finding suggests that energy intake exceeded energy expenditure during the sleep restriction

Results of Study

  • Results indicate that people whose sleep was restricted experienced an average weight gain of 1.31 kilograms over the 11 days of the study
  • Of the subjects with restricted sleep who reported a change in their appetite and food consumption, more than 70 percent said that it decreased by day 5 of the study
  • A group of well rested control subjects did not experience the weight gain.

Lead investigator Siobhan Banks, PhD, a research fellow at the University of South Australia and former assistant research professor at the University of Pennsylvania School of Medicine concluded:

  • “It was surprising that participants did not crave foods rich in carbohydrates after sleep restriction, as previous research suggested they might.
  • Results indicate that even though physiologically the desire to eat was not increased by sleep loss in participants, other factors such as the sedentary environment of the laboratory and the ability to snack for longer due to reduction in time spent asleep might have influenced the weight gain
  • During real-world periods of sleep restriction (say during shift work), people should plan their calorie intake over the time they will be awake, eating small, healthy meals
  • Additionally, healthy low fat/sugar snacks should be available so the temptation to eat comfort foods is reduced. Finally, keeping up regular exercise is just as important as what food you eat, so even though people may feel tried, exercising will help regulate energy intake balance.”

Watch Video: Lack Of Sleep Could Lead To Weight Gain


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1 Comments For This Post

  1. Elcoj Says:

    Hi,
    Onload of page my antivirus put alert, check pls.
    Elcoj

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