"[S]tudying immediately before the nap ... is a good idea." #readingToday

If you are strategic enough about your memory to be napping at the right time of day to ensure you get the best possible sleep to consolidate a new memory, you will probably also want to optimize the way you learn the specific bits of information which you are trying to target. Newly learned memories are more likely to be replayed when you sleep, so studying immediately before the nap, or at least rehearsing what you've learned before you snooze, is a good idea. This should help to ensure the target knowledge is kept in mind and gets replayed once you are asleep, but it should also ensure that the memories you want to strengthen haven't already been degraded so much by the influx of interfering information that it can't consolidate when you do get to sleep.

(Moon+ Reader Pro v2.3.4, The Secret World of Sleep: The Surprising Science of the Mind at Rest (MacSci))