Related Clues:
- Tennis ball fuzz
- Drop off for a while
- Take a time out?
- Daydreamer's activity?
- It's no deep slumber
- Catch a few Zs
- A few Z's
- Preschool break
- Midday refresher
- Brief lie-down
- Backs Hull school from the beginning for dropping off children, for instance
- Fail as a night guard, say
- Energy-saving mode
- Son starts to look extremely exhausted -- prompting this?
- 40 winks, collectively