... Across later toddlerhood and childhood specifically, research findings on bedsharing and its effects have been inconsistent (Cortesi, Giannotti, Sebastiani, Vagnoni, & Marioni, 2008;Hayes, Parker, Sallinen, & Davare, 2001;Jenni, Fuhrer, Iglowstein, Molinari, & Largo, 2005;Kim, Lee, & Cain, 2017;Latz, Wolf, & Lozoff, 1999;Liu, Liu, & Wang, 2003;Lozoff, Wolf, & Davis, 1984;Mindell, Sadeh, Kwon, & Goh, 2013;Okami, Weisner, & Olmstead, 2002). While some work indicates greater sleep disturbances in bedsharing children (e.g., Cortesi et al., 2008;Hayes et al., 2001;Kim et al., 2017), other studies indicate no detrimental effects (e.g., Okami et al., 2002). In part, this discrepancy in findings may reflect a lack of objective sleep assessments, as most published work has used parent-reported questionnaires or interviews (Cortesi et al., 2008;Jenni et al., 2005;Kim et al., 2017;Liu et al., 2003;Mindell et al., 2013; for a review, see also Mileva-Seitz et al., 2017). ...