The purpose of this investigation is to assess the role of melatonin receptor 1B (MTNR1B) single nucleotide polymorphism (SNP)\*food timing interaction on glucose control in the deleterious effect in a vulnerable population with regular exposure to concurrent high melatonin and food intake as late night eaters (those having dinner within 2.5 h before their usual bed time). With the results from this study, we expect to advance our understanding of the role of endogenous melatonin on glucose metabolism in late night eaters and carriers of the MTNR1B risk allele, with potential implications on the guidelines to mitigate risk of type 2 diabetes in late night eaters and carriers of the MTNR1B risk allele.
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Area Under the Curve (AUC) Glucose
Timeframe: Along 120 minutes in visits 1 and 2
Disposition Index (DI)
Timeframe: Along 120 minutes in visits 1 and 2