Time of day accounts for overnight improvement in sequence learning

Aysha Keisler, James Ashe, Daniel T. Willingham

Research output: Contribution to journalArticlepeer-review

36 Scopus citations


The theory that certain skills improve with a night of sleep has received considerable interest in recent years. However, because sleep typically occurs at the same time of day in humans, it is difficult to separate the effects of sleep from those of time of day. By using a version of the Serial Response Time Task, we assessed the role of sleep in implicit sequence learning while controlling for possible time-of-day effects. We replicated the apparent benefit of sleep on human participants. However, our data show that sleep does not affect implicit sequence learning; rather, time of day affects the ability of participants to express what they have learned.

Original languageEnglish (US)
Pages (from-to)669-672
Number of pages4
JournalLearning and Memory
Issue number10
StatePublished - Oct 2007


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