Is out for a while

• Goes out for a while
• Sleeps lightly
• Takes a nap
• Lightly sleeps
• Goes to sleep
• Catches a few winks
• Levels, informally
• Drops off briefly
• Misses part of a movie, maybe

Wiktionary Word definitions in Wiktionary
n. (plural of doze English) vb. (en-third-person singular of: doze )