Exploring Effects of a Randomized Online Infant Sleep Intervention on Weight‐Related Outcomes Into Toddlerhood
Authors' conclusion
Results support early sleep interventions as a novel and promising approach to childhood obesity prevention and demonstrate the feasibility of online intervention delivery. Future research should further examine mechanisms and confirm findings using objective weight status measures.
Study context
- Population
- First-time parents or legal guardians ≥18 years with infants <6 weeks old67 at toddler follow-up
- Participants
- 36 vs 38
- Comparison
- Online infant sleep intervention vs baby care control
- Sleep interventionn = 36
- Baby care controln = 38reference
Methodological detailsblock randomisation (block size 2, 1:1), online intervention, Surveys at baseline (6 weeks), 3, 4 and 7 months, and toddler follow-up
- Block randomisation (block size 2, 1:1)
- Online intervention
- Surveys at baseline (6 weeks), 3, 4 and 7 months, and toddler follow-up
Primary result
As reported in the abstract
toddler follow-up (mean age 20.7 months)
- Sleep duration, Sleep intervention vs Baby care control: 12.99 ± 2.03 vs 11.94 ± 2.06 h per day (p = 0.049); longer with intervention
- Weight-for-length z-score, Sleep intervention vs Baby care control: 0.62 ± 1.34 vs 1.33 ± 1.35 (p = 0.04); lower with intervention
Original publication
Exploring Effects of a Randomized Online Infant Sleep Intervention on Weight‐Related Outcomes Into Toddlerhood. Obesity (Silver Spring). Published 26 October 2025. doi:10.
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