Little Shut-Eye is a term used to describe a short period of sleep, usually lasting only a few minutes. The two crossword solutions for this term are CATNAP (6 letters) and NAP (3 letters). CATNAP is a term used to describe a short, refreshing sleep, usually lasting between 15 and 30 minutes, while NAP is a term used to describe a brief period of sleep, usually lasting less than an hour. Both terms are used to describe the same concept of a short period of sleep, but CATNAP is more specific in its duration.