A longitudinal study published in the Journal of Clinical Sleep Medicine has identified a significant association between emotion dysregulation and both subjective and objective sleep difficulties among women transitioning from late pregnancy to the early postpartum period. The research, conducted by a team including Julia Peak and colleagues, addresses a notable gap in the scientific literature regarding the perinatal period. While the relationship between emotional regulation and sleep quality is well-documented in general populations, its specific dynamics during the critical window of late pregnancy and early motherhood have remained understudied. This omission is significant given the potential for adverse maternal and infant outcomes resulting from sleep disturbances during this time.
The study aimed to examine the relationship between emotion dysregulation and sleep longitudinally, utilizing both subjective and objective measures to provide a comprehensive view of sleep health. The research team assessed fifty-eight participants at three distinct timepoints: during their third trimester of pregnancy, at one to three weeks postpartum, and at six to twelve weeks postpartum.
To measure emotion dysregulation, the researchers administered the Difficulties in Emotion Regulation Scale at the first visit, which occurred during the third trimester. For sleep assessment, the study employed a dual-method approach. Participants wore actigraphs for two-week periods at each timepoint to obtain objective sleep data. These devices recorded key sleep metrics, including total sleep time, sleep efficiency, wake after sleep onset, sleep onset latency, and the number of awakenings.
In addition to objective actigraphy data, the study examined subjective sleep quality using the Pittsburgh Sleep Quality Index. The combination of these tools allowed for a more nuanced analysis of the impact of emotion dysregulation on different dimensions of sleep health.
The results indicated that subjective sleep quality differed significantly between participants with high emotion dysregulation and those with low emotion dysregulation at all three visits. Specifically, the group with high emotion dysregulation reported worse sleep quality throughout the study period.
Objective sleep metrics also revealed significant differences during the third trimester of pregnancy. Participants in the high emotion dysregulation group exhibited lower sleep efficiency and higher wake after sleep onset compared to their counterparts with low emotion dysregulation.
The study’s use of a longitudinal design and the inclusion of both subjective and objective sleep measures provide novel insights into the emotion dysregulation-sleep relationship in the perinatal context. By tracking the same cohort over time, the researchers were able to observe the differential influence of emotion dysregulation on various sleep parameters.
Subject of Research: Association between emotion dysregulation and sleep difficulties in the perinatal period
Article Title: The relationship between emotion dysregulation and subjective and objective sleep difficulties from late pregnancy to early postpartum
Article References: Peak, J., Slyepchenko, A., Minuzzi, L., Green, S. M., & Frey, B. N. (2026). The relationship between emotion dysregulation and subjective and objective sleep difficulties from late pregnancy to early postpartum. Journal of Clinical Sleep Medicine, 22(1), Article 220. https://doi.org/10.1007/s44470-026-00228-y
Image Credits: AI Generated
DOI: 10.1007/s44470-026-00228-y
Keywords: perinatal sleep, emotion dysregulation, pregnancy, postpartum, actigraphy, sleep quality, longitudinal study, maternal health, relationship, between, emotion, dysregulation
