Man-Sum Chan

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OBJECTIVES Sleep-wake disturbances, such as sleep irregularity, are common in bipolar disorder. Early studies suggest that sleep irregularity is associated with mood symptoms in bipolar disorder, but little research has been conducted to identify other correlates of sleep irregularity. We investigated the relationship between sleep irregularity and sleep(More)
Polysomnographic studies have been performed to examine the sleep abnormalities in schizophrenia, but the results are inconsistent. An updated systematic review, meta-analysis, and moderator analysis was conducted. Major databases were searched without language restriction from 1968 to January 2014. Data were analyzed using the random-effects model and(More)
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