Not getting enough sleep means you are more likely to eat bigger portions and pick calorific foods, a new study has found.
Scientists observed the behaviour of a group of men around a buffet (we imagine it to be a feeding time at the zoo situation) and found that those who had eight hours sleep made better food choices than the sleepy people.
Published in Psychoneuroendocrinology, the findings showed that the sleep-deprived people selected greater portion sizes of energy-dense snacks and meals under buffet conditions.
Over a period of time, this eating behaviour would lead to long-term weight gain.
This wasn't just at breakfast time either, as the tired people continued to eat more all day long.
Lead author Pleunie Hogenkamp, explained, 'After a night of total sleep loss, these males chose greater portion sizes of the energy-dense foods. Interestingly, they did so both before and after a breakfast, suggesting that sleep deprivation enhances food intake regardless of satiety.
'Bearing in mind that insufficient sleep is a growing problem in modern society, our results may explain why poor sleep habits can affect people's risk to gain weight in the long run.'
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