Identifying Children’s Nocturnal Sleep Using 24-h Waist Accelerometry

Purpose The purposes of this study were 1) to add layers and features to a previously published fully automated algorithm designed to identify children’s nocturnal sleep and to exclude episodes of nighttime nonwear/wakefulness and potentially misclassified daytime sleep episodes and 2) to validate this refined sleep algorithm (RSA) against sleep logs. Methods Forty-five fourth-grade school children (51% female) participants were asked to log...