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Infant Behav Dev. 2016 Feb;42:36-44. doi: 10.1016/j.infbeh.2015.11.003. Epub 2015 Dec 17.

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

Author information

1
Department of Physical Therapy, University of Haifa, Haifa, Mount Carmel 31905 Israel.
2
Department of Counseling and Human Development, University of Haifa, Haifa, Mount Carmel 31905, Israel. Electronic address: anats@edu.haifa.ac.il.

Abstract

During the second half of the 1st year, periods of increased sleep disruption have been documented alongside overall improvement in sleep-wake regulation. The objective of the present research was to test if pulling-to-stand (PTS), a milestone typically achieved during the latter part of the 1st year, co-occurs with a period of disrupted sleep. In a longitudinal design, 20 healthy infants were followed-up, from 7 to 11-12 months, at 3-week intervals. Each measurement consisted of filmed motor observations and sleep recordings (actigraphy), both conducted at home. It was found that among early achievers of PTS (by 8 months), the milestone was time-linked to a period of disrupted sleep. The results point to the significance of timing in the interplay between domains of development, and highlight the importance of considering both chronological and developmental metrics in studying changes in sleep-wake regulation.

KEYWORDS:

Actigraphy; Developmental change; Longitudinal; Sleep; Timing

PMID:
26704990
DOI:
10.1016/j.infbeh.2015.11.003
[Indexed for MEDLINE]

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