2003
DOI: 10.1076/brhm.34.3.265.18812
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Abstract: This longitudinal study investigated sleep-wake behavior patterns during and after pregnancy, using an actimeter worn on the non-dominant wrist and a sleep log. Records were obtained from ten mothers, from the 34th week of gestation until the 15th week postpartum. Ten non-pregnant women were used as a control group, data being collected from them for 2 weeks. The sleep-wake behavior after delivery, obtained from wrist actigraphy, was greater in the postpartum period. Total sleep time, sleep efficiency, and cir… Show more

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Cited by 49 publications
(59 citation statements)
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“…Thus the circadian rhythm center or mean and timing of mother's peak activity remained consistent and while the amount of change over 24 hours was reduced, stability across days increased, and there was less fragmentation of sleep. Dampened maternal rhythm has also been reported in previous research (16-18, 40). Circadian rhythm is an early manifestation of developing mother-infant synchrony, however research examining relation of dyadic rhythm characteristics is incomplete.…”
Section: Discussionsupporting
confidence: 84%
See 1 more Smart Citation
“…Thus the circadian rhythm center or mean and timing of mother's peak activity remained consistent and while the amount of change over 24 hours was reduced, stability across days increased, and there was less fragmentation of sleep. Dampened maternal rhythm has also been reported in previous research (16-18, 40). Circadian rhythm is an early manifestation of developing mother-infant synchrony, however research examining relation of dyadic rhythm characteristics is incomplete.…”
Section: Discussionsupporting
confidence: 84%
“…In a longitudinal study of postpartum women, sleep cycle amplitude was dampened at infant age 3 weeks and increased through 12 weeks, the study endpoint (17). In one of few longitudinal studies following 11 pregnant women through the postpartum and comparing with non-pregnant women, circadian rhythm amplitude of sleep-wake pattern measured by actigraphy was decreased in postpartum women and was not fully recovered by 15 weeks postpartum (18). Decreased cycle amplitude occurs with interrupted sleep pattern and is characteristic of irregular sleep-wake rhythm disturbance, also termed circadian rhythm sleep disorder (19).…”
Section: Introductionmentioning
confidence: 99%
“…Wrist actigraphy measured maternal motor activity levels by an internal accelerometer (Korte, Wulff, Oppe, & Siegmund, 2001). Actigraphy has been used to measure sleep wake activity in several studies of postpartum women (Doan, Gardiner, Gay, & Lee, 2007;Gay, Lee, & Lee, 2004;Kang, Matsumoto, Shinkoda, Mishima, & Seo, 2002;Matsumoto, Shinkoda, Kang, & Seo, 2003;Shinkoda, Matsumoto, & Park, 1999;Signal et al, 2007;Stremler et al, 2006). One of these studies reported that concordance between wrist actigraphy and polysomnography, the gold standard for sleep/wake brain activity was 96.3% (Kang, Matsumoto, Shinkoda, Mishima, & Seo, 2002).…”
Section: Methodsmentioning
confidence: 99%
“…The severity scale used in this study was the Postpartum Depression Screening Scale (PDSS) (Beck & Gable, 2002 Shinkoda, Kang, & Seo, 2003;Shinkoda, Matsumoto, & Park, 1999;Signal et al, 2007;Stremler et al, 2006). One of these studies reported that concordance between wrist actigraphy and polysomnography, the gold standard for sleep/wake brain activity was 96.3% (Kang, Matsumoto, Shinkoda, Mishima, & Seo, 2002).…”
Section: Methodsmentioning
confidence: 99%
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