Charting infant sleep cycle development using actigraphy: Longitudinal evidence for cycle lengthening within the first year of life from 35,000 hours of sleep
G. H. Hammad, Sarah Fiona Schoch, Max Engelmann, Zoe Spock, Salomé Kurth, Eva C. Winnebeck
This study uses actigraphy to track sleep cycle development in infants, finding that cycle length increases by ~10 minutes from 3 to 12 months of age.
SLEEP · Jun 11, 2026Peer-reviewedPhysiology