Secular trends in sleep and circadian problems among adolescents in Hong Kong: From 2011-2012 to 2017-2019

Mar 21, 2024Sleep medicine

Changes in sleep and daily rhythm problems among Hong Kong teenagers from 2011 to 2019

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Abstract

The average time in bed for Hong Kong adolescents decreased from 8.38 hours in 2011-2012 to 8.08 hours in 2017-2019.

  • A delay of 0.28 hours in weekday bedtime was observed from 2011-2012 to 2017-2019.
  • Weekend wake-up times advanced by 0.54 hours during the same period.
  • The proportion of adolescents getting less than 8 hours of sleep increased (Odds Ratio = 2.06).
  • Daytime sleepiness increased, with an Odds Ratio of 1.70.
  • A shift towards an evening chronotype was noted, with an Odds Ratio of 1.26.
  • The increase in insomnia disorder was not significant after adjusting for covariates.

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