Related Clues:

• Ho-hum attitude
• Tedium
• Ennui
• Lack of variety
• Weary state
• World-weariness
• Yawn-inducing condition
• 'Been there, done that' feeling
• Yawner's feeling
• World weariness
• Opposite of get-up-and-go
• Doldrums
• Cause of many yawns
• Fin-de-siècle feeling
• Night guard's problem