Open access
Jul 2026
Variable Morning Melatonin Profiles Limit Determination of Dim Light Melatonin Offset (DLMOff) in Preschool-Aged Children
Although evening melatonin profiles were consistently well-defined, permitting reliable calculations of DLMO across all participants, morning melatonin patterns were often irregular in young children, suggesting DLMOff could be a reliable marker of circadian phase.
L. Hartstein, S. Stowe, Kenneth P. Wright et al.
· Journal of Biological Rhythm... · 0 citations