Related Clues:

• Unsettles
• Beats the favorite
• Perturbs
• Loud get-ups?
• Eye openers
• Waker-uppers
• Bells and whistles, say
• They might arouse you
• Surprising defeats
• Smoke detectors, e.g.
• Consternates: Var.
• Bells and whistles?
• Morning warnings
• Sleep disturbers
• Early-warning systems