Related Clues:

• [This couldn't be more boring]
• Dagwood's "SKNXX-X"
• Wake a bedmate, maybe
• Pan sound
• Sleep audibly
• Be unwittingly annoying
• Boring lecture, for example
• Norse novel - that might keep you awake all night
• Tedious doings
• [Bo-ring!]
• Foment unrest, in a way?
• Needing Bengay, say
• [Snore!]
• Annoyance from a bunkmate
• Boredom-betraying sound