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Individual melatonin profiles collected in a home phase assessment either the day before or day after a laboratory phase assessment. Top panel: An example of when the home dim light melatonin onset (DLMO) occurred before the laboratory DLMO. Middle panel: An example of when the home DLMO occurred at the same time as the laboratory DLMO. Bottom panel: An example of when the home DLMO occurred after the laboratory DLMO.
