Lose Weight

New Study: Sleep Loss Causes Kids to Eat More

Is sleep really that important for your weight? A new study on pre-school children suggests that the answer is yes:

Journal of Sleep Research: Acute Sleep Restriction Increases Dietary Intake in Preschool-Age Children

In the study, children who were not allowed to sleep a full night – they got to stay up 2-3 hours later than usual – consumed significantly more carbs, sugar and calories during that day. On top of that, they also ate more food the following day. This might well cause weight gain over time.

It is likely that the very same thing applies to adults. Getting enough sleep is likely very helpful for losing excess weight.

How much sleep would you benefit from? Probably at least 7-8 hours per night, if you’re an adult (kids need more).


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  1. Seth
    This may very well be true (and is consistent with my anecdotal observations), but N=10 in the study, so this study is essentially useless.
  2. Heike
    This goes along with findings linking obesity to lack of melatonin ( see: Significant Impact of Nocturnal Melatonin Secretion on Obesity-Related Metabolic Disorders in Children and Adolescents; Johanna Overberga, Peter Kühnena, Andrea Ernertb, Heiko Krudea & Susanna Wieganda; ESPE Abstracts (2015) 84 P-2-255). There are ongoing trials in Germany using melatonin in the treatment of obesity in children and adolescents.

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