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Does Increased Consolidated Nighttime Sleep Facilitate Attentional Control? A Pilot Study of Nap Restriction in

Janet C Lam1,2, Taylor A Koriakin1, Steven M Scharf3

  • 11 Kennedy Krieger Institute, Baltimore, MD, USA.

Journal of Attention Disorders
|February 4, 2015
PubMed

Insights

Short-term nap restriction in preschoolers aged 3-4 years led to more nighttime sleep and improved attentional control. This study highlights the benefits of adjusting daytime sleep habits for young children.

Area of Science:

  • Pediatric Sleep Research
  • Developmental Psychology
  • Cognitive Neuroscience

Background:

  • Preschoolers typically nap, but the effects of altering this routine are not fully understood.
  • Understanding sleep patterns is crucial for cognitive development in early childhood.

Purpose of the Study:

  • To investigate the impact of a 5-day nap restriction on sleep and cognition in 3-4 year old preschoolers.
  • To compare outcomes between a nap-restricted group and a usual napping group.

Main Methods:

  • 28 typically developing preschoolers were randomized into a nap restriction group (n=13) or a usual napping group (n=15).
  • Sleep was monitored using sleep logs and actigraphy over a 5-day intervention period after a baseline week.
  • Cognitive function, specifically attentional control, was assessed at baseline and post-intervention.

Main Results:

  • No baseline differences in sleep or cognition were found between groups.
  • The nap-restricted group exhibited increased nighttime sleep compared to baseline.
  • Children in the nap-restricted group showed significant improvements in attentional control post-intervention, unlike the usual napping group.

Conclusions:

  • Short-term daytime nap restriction in preschoolers is associated with increased nighttime sleep.
  • Reducing daytime naps may positively influence attentional function in young children.
  • Findings suggest that adjusting napping habits can be beneficial for preschooler development.
Abstract

Keywords:
cognitive functionnap restrictionnappingpreschoolerssleep

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