Sleep Problems Worsen in Late Pregnancy

This probably won't come as a surprise but a recent study has confirmed that sleep problems increase in late pregnancy.

Sleep disturbances in late pregnancy are common. The study, 'A postal survey of maternal sleep in late pregnancy,' aimed to survey sleep problems in third trimester pregnant women and to compare sleep in the pre-pregnancy period with the third trimester.

Third-trimester women 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. The women were asked to report on sleep before pregnancy and in the last week.

The main findings were as follows:

• Before pregnancy, the average reported duration of night-time sleep was 8.1 hours; in the last week this had decreased to 7.5 hours. 
• 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.
• Only 4% of women had an abnormal Epworth Sleepiness Scale score prior to pregnancy, whereas in the last week 33% scored in the abnormal range.
• 5% had regularly napped during the daytime before pregnancy, compared with 41% in the last week. 

The study concluded that sleep problems are common in women in late pregnancy, and increase markedly compared with before pregnancy

A postal survey of maternal sleep in late pregnancy. Hutchison BL; Stone PR; McCowan LME; et al, (2012). BMC Pregnancy and Childbirth , vol 12, no 144, 10 December 2012 .
Full text available via http://www.biomedcentral.com/bmcpregnancychildbirth/contenthttp://midirs.us5.list-manage1.com/track/click?u=e4298fe3c18412b19e25c1507&id=70179eea15&e=709b0c7d49> 

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