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. 2012 Dec 10:12:144.
doi: 10.1186/1471-2393-12-144.

A postal survey of maternal sleep in late pregnancy

B Lynne Hutchison  1 , Peter R Stone, Lesley M E McCowan, Alistair W Stewart, John M D Thompson, Edwin A Mitchell
Affiliations

A postal survey of maternal sleep in late pregnancy

B Lynne Hutchison et al. BMC Pregnancy Childbirth. .

Abstract

Background: Sleep disturbances in late pregnancy are common. This study aimed to survey sleep problems in third trimester pregnant women and to compare sleep in the pre-pregnancy period with the third trimester.

Methods: Third-trimester women (n=650) were sent a postal survey containing questions relating to sleep experience, including perceived sleep quality, sleep difficulties, night waking, sleep environment, snoring, daytime tiredness and daytime napping. Time periods reported on were before pregnancy and in the last week.

Results: Respondents numbered 244 (38%). Before pregnancy, the mean reported duration of night-time sleep was 8.1 (SD 1.1) hours; in the last week this had decreased to 7.5 (SD 1.8) hours (p<.0001). Only 29% rated their sleep quality in the last week as very good or fairly good, compared with 82% rating their sleep this way before the pregnancy. The main reasons for sleeping difficulties were discomfort (67%) and pain (36%). Snoring increased significantly over the course of the pregnancy, with 37% reporting snoring often or every night in the last week. Those with a pre-pregnancy body mass index of greater than 25 were significantly more likely to snore (p=.01). Only 4% of women had an abnormal Epworth Sleepiness Scale score (i.e. >10) prior to pregnancy, whereas in the last week 33% scored in the abnormal range. Likewise, 5% had regularly napped during the daytime before pregnancy, compared with 41% in the last week.

Conclusions: Sleep problems are common in women in late pregnancy, and increase markedly compared with before pregnancy.

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Figures

Figure 1
Figure 1
Mean number of times waking at night at each gestational age. Error bars denote standard error of mean.
See this image and copyright information in PMC

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