It's final exam season again, and for students across the country, the midnight oil is burning bright. Yet a question looms: It's the morning after an intense all-night cram session, and there's a little bit of time before that big test. Should you take a short nap? Or is it better to just stay up? NOVA asks Dr. Christopher Landrigan, Director of the Sleep and Patient Safety Program at Brigham and Women's Hospital. For more with Dr. Landrigan on the science of sleep and sleep deprivation, check out the Q&A on Inside NOVA ]]>

It's final exam season again, and for students across the country, the midnight oil is burning bright. Yet a question looms: It's the morning after an intense all-night cram session, and there's a...

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