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such represents one of nine symptoms of a depressive episode jor depression also are diagnosed with insomnia [2]. There also is empirical evidence that depression is associated with nonclinical sleep disturbances (e.g., reduced total sleep time, increased sleep-onset latency) [3]. Importantly, recent research shows that of depression but en et al. [4 orer sleep than girls at low familial risk for depression. In addition, sleep among otherwise healthy individuals [5]. In sum, sleep difficulties characterize depressive episodes and may serve as a phenotype of risk for the disorder. Therefore, our study sought to identify the underlying mechanisms by which sleep difficulties may contribute to depression symptomatology. It is possible that sleep disturbance influences depressive symp-toms through its impact on cognition. Indeed, sleep difficulties and depression have been independently linked to deficits in cognitive control. For example, sleep deficits are associated with poor perfor