Related Clues:

• Alarm clock button
• Engage in a street auto race
• Nose noise
• Bore, slangily
• You might miss your bus if you hit it too often
• Show boredom
• Indicator of a dull speech?
• Bedtime distraction
• Exhibit ennui
• Sign of fatigue
• Big snooze
• Produce Z's
• 'When is this thing over?'
• Nighttime annoyance, maybe
• Be noisy at night