Related Clues:

• Action pictured on the cover of "Dr. Seuss's Sleep Book
• Show that you're bored
• Be noisy in one's sleep
• "Zzzzzz" sound, at night
• Noise heard at night
• Sound from a bunkhouse
• Mock sound of disinterest
• Sounds like something coming out of 24 down will annoy one with retirement plan
• Show lack of interest, in a way
• Elicit a slug with a pillow, maybe
• Sound from one with 37-Down, perhaps
• Display sleep apnea, in a way
• Be open-mouthed as new fashion gets taken up
• Sleepy behavior
• Open up North Street from below