Study Plans · 5 min read · April 21, 2026
The most common sacrifice FNP students make during board preparation is sleep. The logic seems sound: there is more to study than there is time to study it, and sleeping less creates more study time. But the research on sleep and cognitive performance is unambiguous: sacrificing sleep to study more is one of the worst trades a student can make.
Sleep is not a passive state of rest. It is an active neurological process during which the brain consolidates memories — transferring information from short-term to long-term storage, strengthening the neural connections that encode new learning, and pruning the irrelevant information that would otherwise clutter memory. Without adequate sleep, this consolidation process is impaired, and the learning that happened during the day is not fully retained.
The research on sleep and learning is extensive and consistent. A landmark study by Walker and Stickgold (2006) found that a single night of sleep deprivation after learning produced a 40 percent reduction in the ability to form new memories. A study by Mednick et al. (2003) found that a 90-minute nap after learning produced memory consolidation equivalent to a full night of sleep. And a meta-analysis by Lo et al. (2016) found that sleep deprivation impairs cognitive performance across all domains — attention, working memory, long-term memory, and executive function.
"Sleep is the single most effective thing we can do to reset our brain and body health each day — and the most neglected." — Matthew Walker, Why We Sleep, 2017
The practical implication of this research is that adequate sleep should be treated as a non-negotiable component of board preparation, not a luxury that can be sacrificed for study time. The student who sleeps 7 to 8 hours per night and studies for 2 focused hours will retain more than the student who sleeps 5 hours and studies for 4 hours. The additional study time does not compensate for the impaired consolidation.
The most effective board prep strategy is therefore not to maximize study time — it is to maximize the quality of study time, and to protect the sleep that consolidates what you have learned. Short, focused, active study sessions followed by adequate sleep are more effective than long, passive study sessions followed by inadequate sleep.