Related Clues:

• Saw wood
• Crashing bore
• Resistance
• Show sleepiness
• [That is, like, so last week]
• Keep someone awake, maybe
• Race on a strip
• Quarter-mile race, e.g.
• Sound of slumber
• Night sound?
• Friction between engine parts
• Bother a bedmate
• Snoozer's sound
• Sound that fakes boredom
• Make a nighttime ruckus