Related Clues:

• Cause of a rude awakening?
• Nap noise
• Something boring
• It might keep you up
• Night noise
• Bunk annoyance
• Make a sound in the night?
• Breathe loudly while sleeping
• Make some noise in bed
• Annoying night sound
• Rumble in the night
• Sheet music?
• Sleeper's noise
• Boredom indicator
• It might wake you up