Related Clues:

• Sources of renewed energy
• Timeouts of a sort
• Nods off for a bit
• Hammock rests
• Has a snooze
• Small siestas
• Dozing periods
• Dozes off for a bit
• Wet-___ (moist towelettes)
• Fuzzy surfaces
• They're often taken after all-nighters
• Sleeps at two in the afternoon
• Breaks of day?
• Sleeps briefly
• Cats' rests