Related Clues:

• Toddler's downtime
• Clock radio "Shut up!" button
• Nap of snooker baize that's been cut off-centre
• Intermittent sleep
• Midday sleep
• Tennis ball fuzz
• Drop off for a while
• Sleep, it being twelve (but not noon)
• Take a time out?
• Daydreamer's activity?
• It's no deep slumber
• Catch a few Zs
• A few Z's
• Preschool break
• Midday refresher