The term 'REST OF THE AFTERNOON' can be summarized with two crossword solutions: SIESTA (6 letters) and NAP (3 letters). A SIESTA is a traditional afternoon NAP taken in many countries, usually after lunch. It is a short period of sleep during the day, typically lasting for an hour or two. A NAP is a short period of sleep, usually taken during the day, that is shorter than a SIESTA. Both siestas and naps are popular ways to rest during the afternoon.