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Everybody can learn and remember, but:
A.
We tend to forget about one-third of what we learn within 20 hours
B.
With fewer hours of sleep, our memories improve
C.
We need to sleep well every night and review material several times in order to consolidate memory
D.
We need to re-learn and go over new information in order to replace old memories
E.
We do not need to repeatedly review information to remember it if we get enough sleep