Correlations between morningness-eveningness character, sleep habits and temperature rhythm in adolescents.

Jan 1, 1992Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas

Links between morning or evening preference, sleep patterns, and body temperature cycles in teenagers

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Abstract

The study involved 62 adolescents with a mean age of 13 years and 6 months.

  • Morningness was associated with earlier sleep onset and wake-up times.
  • Adolescents with a more evening character experienced shorter sleep duration on school days.
  • Longer sleep duration on non-school days was observed in adolescents with a more evening character.
  • Temperature acrophase occurred around 15:00 p.m. across all measurements.
  • Stable correlations were found between morningness-eveningness character and sleep habits over three occasions.

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