Researchers have discovered a genetic variation that predicts how well people perform certain mental tasks when sleep-deprived. Individuals with a particular variation of the DRD2 gene are resilient to the effects of sleep deprivation when completing tasks that require cognitive flexibility.

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Researchers have discovered a genetic variation that predicts how well people perform certain mental tasks when sleep-deprived. Individuals with a particular variation of the DRD2 gene are resilient to the effects of sleep deprivation when completing tasks that require cognitive flexibility.