Medical X-Press – Alexis Blue 
Research has shown that naps play an important role in sustaining new learning in infants. A new study from the University of Arizona suggests naptime could have a similar effect on language learning in preschool-age children. Researchers studied verb learning in 3-year-olds and found that those who napped after learning new verbs had a better understanding of the words when tested 24 hours later.(more)