The Auckland Stillbirth Study, a prospective population-

based case control study, was the first study to report maternal sleep related practices as risk factors for still-birth [1]. In brief there were 155 women with a single-ton late stillbirth (at or greater than 28 weeks ’ gestation) without congenital abnormality, born between July 2006 and June 2009 and booked to deliver in Auckland. They were compared with 310 women with single ongoing pregnancies and gestation matched to that at which the stillbirth occurred. The prevalence of late stillbirth in this study was 3.09/1000 births. No relationship was found between snoring or day time sleepiness and risk of late stillbirth. However, women who slept on their back or on their right side on the last night (prior to stillbirth or interview) were more likely to experience a late stillbirth compared to women who slept on thei