Related Clues:

• Sleep soundly?
• Equine noise
• Indignant reaction
• Sound sleep sound
• Expression of disbelief
• Looooong, boring speech
• Boring movie
• Saw wood, so to speak
• Express disdain
• Be affected by a blocked airway
• Sleep noisily
• Sound from one faking boredom
• Stable sound
• Dagwood's ''SKNXX-X!''
• Noisy inhalation