The pineal melatonin rhythm provides a robust reference signal for the timing of the endogenous human circadian system. Dim light melatonin onset (DLMO) time is considered a gold-standard marker of the central circadian clock when measured from plasma or saliva. In this chapter, we describe the appropriate conditions for collecting plasma and salivary melatonin and the threshold method to calculate the DLMO.
CITATION STYLE
St. Hilaire, M. A., & Lockley, S. W. (2022). Measuring Dim Light Melatonin Onset in Humans. In Methods in Molecular Biology (Vol. 2550, pp. 13–20). Humana Press Inc. https://doi.org/10.1007/978-1-0716-2593-4_3
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