[citation report] Typical sleep positions in pregnant women

Cited by 29 publications

(33 citation statements)

References 27 publications

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“…This is corroborated by McCowan et al 4 who reported a significant increase in left-sided going-to-sleep position (43% to 58%) and small decrease in supine going-to-sleep position (5% to 3.8%) in New Zealand over an approximate 5-year period following publicity of The Auckland Stillbirth Study by Stacey et al 2. If the supine sleeper is to be identified by history taking and stratified for targeted education or intervention, obstetricians, midwives and nurses should be aware that despite sleep-on-side knowledge and high rates of lateral going-to-sleep position, most pregnant women continue to spend a significant amount of time supine during sleep in late pregnancy per our study and previous studies 6–8. Also, per our study, pregnant women’s estimates of time in each sleep position, while relatively accurate for lateral sleeping positions, underestimate the time they spend supine.…”

Section: Discussionsupporting

confidence: 59%

Modifying maternal sleep position in the third trimester of pregnancy with positional therapy: a randomised pilot trial

et al. 2018

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ObjectiveTo evaluate whether the percentage of time spent supine during sleep in the third trimester of pregnancy could be reduced using a positional therapy device (PrenaBelt) compared with a sham device.DesignA double-blind, randomised, sham-controlled, cross-over pilot trial.SettingConducted between March 2016 and January 2017, at a single, tertiary-level centre in Canada.Participants23 participants entered the study. 20 participants completed the study. Participants were low-risk, singleton, third-trimester pregnant women aged 18 years and older with body mass index <35 kg/m2 at the first antenatal appointment for the index pregnancy and without known fetal abnormalities, pregnancy complications or medical conditions complicating sleep.InterventionsA two-night, polysomnography study in a sleep laboratory. Participants were randomised by computer-generated, one-to-one, simple randomisation to receive either a PrenaBelt or a sham-PrenaBelt on the first night and were crossed over to the alternate device on the second night. Allocation concealment was by unmarked, security-tinted, sealed envelopes. Participants, the recruiter and personnel involved in setting up, conducting, scoring and interpreting the polysomnogram were blinded to allocation.Primary and secondary outcome measuresThe primary outcome was the percentage of time spent supine during sleep. Secondary outcomes included maternal sleep architecture, respiration, self-reported sleep position and feedback.ResultsThe median percentage of sleep time supine was reduced from 16.4% on the sham night to 3.5% on the PrenaBelt night (pseudomedian=5.8, p=0.03). We were unable to demonstrate differences in sleep architecture or respiration. Participants underestimated the time they spent sleeping supine by 7.0%, and six (30%) participants indicated they would make changes to the PrenaBelt. There were no harms in this study.ConclusionsThis study demonstrates that the percentage of sleep time supine during late pregnancy can be significantly reduced via positional therapy.Trial registration numberNCT02377817; Results.

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Section: Discussionsupporting

confidence: 59%

Modifying maternal sleep position in the third trimester of pregnancy with positional therapy: a randomised pilot trial

et al. 2018

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“…Significantly longer sleep times (Warland and Dorrian, 2014) and fewer stillbirths (Stacey et al, 2011) were observed when sleeping on the left side during late-term pregnancy. Despite the growing evidence of sleep-position related maternal cardiovascular compromise, time spent in nonoptimal sleep positions during late-term pregnancy reportedly exceeds 30% with substantial night to night variability (O'Brien & Warland, 2014;Warland & Dorrian, 2014). The findings from this study suggested the drive to sleep supine will be sufficiently strong that education-based behavior modification alone may be insufficient in reducing this risk.…”

Section: Discussionmentioning

confidence: 54%

User Compliance and Behavioral Adaptation Associated With Supine Avoidance Therapy

Levendowski

Cunnington

Swieca

et al. 2016

Behavioral Sleep Medicine

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“…[15][16][17][18] More than 80% of pregnant women spend some time sleeping in a supine position with the time in this position accounting for more than a quarter of total sleep duration. [91] Supine sleep position has significant effects on maternal hemodynamics.…”

Section: Accepted Manuscriptmentioning

confidence: 99%

Pathophysiological changes associated with sleep disordered breathing and supine sleep position in pregnancy

Robertson

Turner

2019

Sleep Medicine Reviews

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Typical sleep positions in pregnant women

Cited by 29 publications

References 27 publications

Modifying maternal sleep position in the third trimester of pregnancy with positional therapy: a randomised pilot trial

Modifying maternal sleep position in the third trimester of pregnancy with positional therapy: a randomised pilot trial

User Compliance and Behavioral Adaptation Associated With Supine Avoidance Therapy

Pathophysiological changes associated with sleep disordered breathing and supine sleep position in pregnancy

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