Related Clues:

• It¿s boring to open one¿s mouth!
• [Bo-o-oring!]
• Blocked airway result, sometimes
• Gape in tiredness
• Make lumber aslumber
• Sound betraying boredom
• [''I'm bored!'']
• Low interest indicator
• Saw logs, so to speak
• Show disrespect at a piano recital
• Sleep-disturbing sound
• Bad thing for a roommate to do
• 'Boring!'
• Noise in the night
• Earn a night on the couch, perhaps