Related Clues:

• Be open-mouthed as new fashion gets taken up
• Sleepy behavior
• Open up North Street from below
• [What a bore!]
• Tedious thing
• Reaction that's strangely contagious
• New method to get over a boring person
• Naptime harbinger
• Intake of breath through a wide-open mouth
• Gape of tiredness?
• Show boredom in November, way back
• Boring person with new style, in retrospect
• (I'm so-o-o tired!)
• Sleepy gape
• Sign of boredom? New approach backfired