You have a big exam tomorrow and have been studying for the last few hours. Based on what is known about sleep and memory, what you should do to be most successful on the exam?

Question

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Sleep plays a crucial role in memory consolidation, which is the process of forming and stabilizing memories. A full sleep cycle, including both REM and deep sleep phases, lasts about 90 minutes and is essential for optimizing cognitive functions such as memory recall. Staying up all night (A) can impair cognitive performance and memory recall. A 30-minute nap (B) might offer some benefits but is not as effective as a full sleep cycle for memory consolidation. Building an electronic stimulator (C) is not a practical or safe method for enhancing memory consolidation.

You Have a Big Exam Tomorrow and Have Been Studying