Insomnia in late pregnancy: Characterizing phenotypes and identifying associated factors
Cuamatzi-Castelan AS, Kalmbach DA, Atkinson R, Sangha R, Bazan L, O'Brien LM, Swanson LM, Roth T, and Drake CL. Insomnia in late pregnancy: Characterizing phenotypes and identifying associated factors. Sleep 2019; 42(Suppl 1):A138.
Introduction: Insomnia increases across the prenatal period. This study characterizes insomnia phenotypes in late pregnancy, and identifies factors related to prenatal insomnia. Methods: A cross-sectional analysis of pregnant women (29.6±4.7 years, gestational weeks 26-33) receiving prenatal OB care at a large Midwestern health system completed online surveys on sleep and pregnancy-related factors. Results: Over half of the sample screened positive for clinical insomnia (n=97/163; 59.5%). Pregnant women with insomnia reported sleeping a nightly average of 6 hrs and 8 minutes (±1.20 hrs) compared to 7 hrs and 26 minutes (±1.11 hrs) for their good-sleeping counterparts (t=-6.99, p