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May 10, 2026SLEEP

0224 Multidimensional Sleep Health During Pregnancy and the Postpartum Period

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Authors

GKGyurin KimJKJaemyung KimCKChristopher Kline

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Overview

Randomized trial examines sleep duration, efficiency, and regularity in pregnant individuals, indicating key shifts across perinatal periods.

Key Points

  • This study aims to assess changes in multidimensional sleep health from pregnancy to 12 months postpartum.
  • 50 participants in Pregnancy 24/7 and Postpartum 24/7 Studies wore Actiwatch Spectrum Plus for sleep tracking.
  • Participants completed a sleep diary for 7 days across pregnancy trimesters and postpartum months.
  • Linear mixed-effects models analyzed sleep duration, efficiency, regularity; chi-square tests evaluated satisfaction and alertness.
  • Sleep duration decreased from 8.66 hours in the 1st trimester to 8.20-8.21 hours at 6 and 12 months postpartum (p≤0.07).
  • Sleep efficiency was lowest at 3 months postpartum (85.99%), improving to 87.50% by 12 months (all p≤0.002).
  • Sleep regularity improved with a standard deviation of 30 minutes at 12 months postpartum, more consistent than pregnancy trimesters (p=0.004).

Cite This Study

Kim et al. (2026) studied this question.

synapsesocial.com/papers/6a00210dc8f74e3340f9bea7https://doi.org/10.1093/sleep/zsag091.0224
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