Related Clues:

• The blahs
• Cause of yawning
• Monotony
• Yawn inducer
• Tedium
• Ennui
• Cause of many yawns
• Undesired audience reaction
• Lack of interest
• Monotony's result
• Yawn causer
• Overseers
• Condition that might bring you to tears?
• Anagram of ''bedroom''
• Sleep inducer, perhaps