Objective sleep of older primiparous Japanese women during the first 4 months postpartum: An actigraphic study

This longitudinal study was designed to examine objective sleep parameters of older primiparous Japanese women during the first 4 months postpartum using actigraphy. The participants were 18 older primiparae (Mean (SD) = 37.06 (2.62) years, range 35–44 years) who gave birth to healthy neonates at on...

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Bibliographic Details
Published in:International journal of nursing practice 2015-03, Vol.21 (S1), p.2-9
Main Authors: Iwata, Hiroko, Mori, Emi, Tsuchiya, Miyako, Sakajo, Akiko, Saeki, Akiko, Maehara, Kunie, Ozawa, Harumi, Morita, Akiko, Maekawa, Tomoko
Format: Article
Language:English
Subjects:
Actigraphy
Adult
Female
Humans
Insomnia
Japan
Longitudinal Studies
Maternal Age
Medical research
Nursing
Parity
postpartum
Postpartum Period
Sleep
sleep deprivation
Sleep Deprivation - etiology
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Summary:This longitudinal study was designed to examine objective sleep parameters of older primiparous Japanese women during the first 4 months postpartum using actigraphy. The participants were 18 older primiparae (Mean (SD) = 37.06 (2.62) years, range 35–44 years) who gave birth to healthy neonates at one of three urban Japanese hospitals. Objective sleep quality was measured using actigraphy for 48 h at 1, 2 and 4 months postpartum. The Friedman test was used to test for differences in sleep parameters across time. Sleep duration (SMIN) increased significantly from 2 months (Mean (M) = 301.94 min) to 4 months (M = 372.78 min). Sleep efficiency (SE) increased significantly from 1 month (73.52%) to 2 (86.66%) and 4 months (89.05%). Waking after sleep onset (WASO) decreased significantly from 1 month (M = 114.64 min) to 2 (M = 40.18 min) and 4 months (M = 38.36 min) and long waking episodes (LWEP) significantly decreased from 1 month (4.67) to 2 (2.69) and 4 months (3.12). Persistent postpartum sleep problems can be a sign of postpartum depression as well as health problems among infants.
ISSN:1322-7114
1440-172X
DOI:10.1111/ijn.12391