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WEDNESDAY, Jan. 30, 2019 (HealthDay News) — Long periods of undisturbed sleep during pregnancy are associated with late stillbirth, according to a study published online Jan. 18 in Birth<\/i>.<\/p>\n
Louise M. O’Brien Ph.D., from Michigan Medicine in Ann Arbor, and colleagues surveyed postpartum women who either had a stillbirth at \u226528 weeks of gestation within 30 days before completing the survey (153 women) or delivered a live born child within 30 days of completing the survey (480 women).<\/p>\n
The researchers found that sleeping more than nine hours per night in the previous month was associated with stillbirth (adjusted odds ratio [aOR], 1.75; 95 percent confidence interval [CI], 1.10 to 2.79), as were waking up on the right side (aOR, 2.27; 95 percent CI, 1.31 to 3.92) and nonrestless sleep in the previous month (aOR, 1.73; 95 percent CI, 1.03 to 2.99). Good sleep quality in the last month approached significance in its association with stillbirth (aOR, 1.64; 95 percent CI, 0.98 to 2.75). Not waking more than one time on the last night of pregnancy was associated with stillbirth (aOR, 2.03; 95 percent CI, 1.24 to 3.34). No relationship was observed between a woman’s position when going to sleep during pregnancy and stillbirth.<\/p>\n
“Maternal sleep has been overlooked as a potential area for maternal and newborn health interventions even though it is related to many of the major, well-established risk factors for poor pregnancy outcomes,” O’Brien said in a statement. “Until recently, it hasn’t been on the radar for stillbirth research.”<\/p>\n