Related Clues:

• 10 across returns with Bob
• Positive motion
• Gape in tiredness
• Say yes silently
• "Wynken, Blynken and ___"
• Pal of Winken and Blinken
• Silent 'yes'
• Silently assent
• Go to sleep, with 'off'
• A way to do one's bidding
• Bob of hope, maybe
• [''I'm bored!'']
• Doze momentarily (with "off")
• Low interest indicator
• Fall asleep (with "off")