Article
Short sleep as an environmental exposure: a preliminary study associating 5-HTTLPR genotype to self-reported sleep duration and depressed mood in first-year university students.
Sleep - 1 Jun 2012
Carskadon Mary A, Sharkey Katherine M, Knopik Valerie S, McGeary John E
Abstract excerpt
OBJECTIVES: This study examined whether the 5-HTTLPR polymorphism in the SLC6A4 gene is associated with self-reported symptoms of depressed mood in first-year university students with a persistent pattern of short sleep. DESIGN: Students provided DNA samples and completed on-line sleep diaries and a mood scale during the first semester. A priori phenotypes for nocturnal sleep and mood scores were compared for the...
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