Phase Of Clock Gene Expression In Human Leukocytes Correlates With Habitual Sleep Timing

The phase of clock gene expression in leukocytes, assessed in the absence of the masking effects of light-dark and sleep-wake cycles, correlates with habitual sleep timing, according to a study published in the May 1 issue of the journal SLEEP.The study, authored by Simon N. Archer, PhD, of the University of Surrey in Guildford, England, and colleagues, focused on 24 healthy subjects in a home environment and clinical research center setting.

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Filed under: Sleep / Sleep Disorders on May 15th, 2008