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  • 16 MAIO 2024
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Sono irregular in children associated with less healthy diet

That is what a study involving 5,286 children suggests.

Sono irregular in children associated with less healthy diet
Notícias ao Minuto

09:46 - 12/04/24 por Lusa

Lifestyle Alimentação

Researchers at the Institute of Public Health of the University of Porto (ISPUP) concluded that children who have irregular sleep schedules may be at risk of developing less healthy eating patterns, in a study that involved 5,286 children.

In a press release, the Institute of the University of Porto clarified this Friday, April 12, that the study, published in the Journal of Sleep Research, aimed to assess the influence, over the years, of sleep duration and bedtime and wake-up times on adherence to a less healthy eating pattern at age seven. Led by researcher Sofia Vilela, the study was based on data from 5,286 children, from ISPUP's Generation XXI 'cohort'.

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At age four, the children were divided into two groups (based on recommendations from the American National Sleep Foundation): short-duration night sleep (less than 10 hours) and night sleep of at least 10 hours. The researchers also created four categories for bedtime and wake-up times.

"Regardless of sleep duration, children who went to bed late (after 9:45 pm) and woke up late (after 8 am) at age four had a greater tendency to follow a diet rich in high-energy-density foods at age seven", says the study, which concludes that the effect was "more pronounced in boys". "In these, a short sleep duration at age four was also associated with a worse quality diet at age seven", it adds.

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According to the study, later bedtime and wake-up times "are predictors of a less healthy diet in childhood". Preschool children who sleep or wake up late "have a less healthy diet at age seven", and in this case, the impact is also more negative on boys.

Quoted in the press release, researcher Sofia Vilela, from the associated Laboratory for Integrative and Translational Research in Public Health, highlights that "bedtime schedules showed more consistent associations than sleep duration in relation to obesogenic dietary patterns".

"The results of this research highlight that bedtime and wake-up time are important factors to be considered by healthcare professionals, parents and young people, even more so than total sleep duration", she adds.

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