Related Clues:

• Betray boredom
• Keep others awake at night, maybe
• Keep your bedmate up, maybe
• Cause of a rude awakening?
• Nap noise
• Something boring
• Real drag
• It might keep you up
• Demonstrate boredom, perhaps
• Act sleepy
• Night noise
• Bunk annoyance
• Make a sound in the night?
• Breathe loudly while sleeping
• Reaction to an unexciting speaker