A longitudinal study of the bi-directional relations between parental bedtime and nighttime involvement and infant sleep

IF 3.8 2区医学 Q1 CLINICAL NEUROLOGY

Sleep medicine Pub Date : 2025-02-10 DOI:10.1016/j.sleep.2025.02.017

Ofek Matzliach, Avel Horwitz, Dar Ran-Peled, Liat Tikotzky

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Abstract

Objective

This longitudinal study assessed the prospective bidirectional links between parental involvement during bedtime and nighttime and infants' sleep during the first year of life.

Methods

The sample included 207 families at 4 months, 177 at 8 months, and 154 at 12 months. Infant sleep was assessed at home for seven nights using actigraphy, sleep diaries, and the Brief Infant Sleep Questionnaire (BISQ). Parental bedtime and nighttime involvement were reported daily by parents through sleep diaries at all time points.

Results

Concomitant associations (controlling for sleeping arrangements) were found between parental bedtime and nighttime involvement and between infant objective and reported sleep quality measures (i.e., number of night-wakings, wake after sleep onset [WASO], and subjective infant sleep problems). Structural Equation Modeling analyses demonstrated significant prospective associations: Higher parental bedtime involvement at 4 months predicted an increase in infant number of night-wakings from 4 to 8 months. Moreover, higher levels of parental bedtime and nighttime involvement at 8 months predicted an increase in infant WASO from 8 to 12 months. Only one SEM model demonstrated a significant cross-lagged link from infant sleep quality to parental involvement: More perceived infant sleep problems at 4 months predicted a decrease in parental bedtime involvement from 4 to 8 months.

Conclusions

The findings suggest that higher levels of parental involvement in soothing the infant to sleep at bedtime and nighttime predict poorer infant sleep quality. Only limited evidence was found for infant-driven links.

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来源期刊

Sleep medicine 医学-临床神经学

CiteScore

8.40

自引率

6.20%

发文量

1060

审稿时长

49 days

期刊介绍： Sleep Medicine aims to be a journal no one involved in clinical sleep medicine can do without. A journal primarily focussing on the human aspects of sleep, integrating the various disciplines that are involved in sleep medicine: neurology, clinical neurophysiology, internal medicine (particularly pulmonology and cardiology), psychology, psychiatry, sleep technology, pediatrics, neurosurgery, otorhinolaryngology, and dentistry. The journal publishes the following types of articles: Reviews (also intended as a way to bridge the gap between basic sleep research and clinical relevance); Original Research Articles; Full-length articles; Brief communications; Controversies; Case reports; Letters to the Editor; Journal search and commentaries; Book reviews; Meeting announcements; Listing of relevant organisations plus web sites.