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Sleep disruption and motor development: Does pulling-to-stand impacts sleep-wake regulation?

Osnat Atun-Einy1, Anat Scher2

  • 1Department of Physical Therapy, University of Haifa, Haifa, Mount Carmel 31905 Israel.

Infant Behavior & Development
|December 26, 2015
PubMed

Insights

Infants achieving the pulling-to-stand milestone around 8 months experienced disrupted sleep. This developmental stage highlights the timing

Area of Science:

  • Developmental Psychology
  • Pediatric Sleep Science
  • Motor Development

Background:

  • Sleep-wake regulation improves in the second half of infancy, yet periods of disruption occur.
  • Motor milestones, such as pulling-to-stand, are significant developmental achievements during this period.

Purpose of the Study:

  • To investigate the temporal relationship between achieving the pulling-to-stand (PTS) milestone and sleep disruption in infants.
  • To determine if PTS achievement coincides with a period of altered sleep patterns.

Main Methods:

  • Longitudinal study tracking 20 healthy infants from 7 to 11-12 months at 3-week intervals.
  • Combined home-based filmed motor observations with actigraphy for sleep recordings.
  • Analyzed data to correlate the timing of PTS achievement with sleep disruption.

Main Results:

  • Infants who achieved the pulling-to-stand (PTS) milestone early (by 8 months) showed a clear temporal link to a period of disrupted sleep.
  • This finding suggests a specific developmental window where motor advancement impacts sleep.

Conclusions:

  • The timing of developmental milestones is crucial for understanding changes in sleep-wake regulation.
  • Both chronological age and developmental progression (like PTS) are important metrics for studying infant sleep.
  • Motor development and sleep are interconnected, with significant milestones potentially influencing sleep patterns.

Keywords:
ActigraphyDevelopmental changeLongitudinalSleepTiming

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