Possible Clues:

• Nurse is disturbed at dawn
• Daily event
• Possibly insures a regular start to the day
• Dawn gets a French title over in south-east
• Insures for damage, but what happens after one night?
• Tabloid with increase in sales? It gets the day off to a bright start
• Seems Nu's early
• By the sound of it, get up, my boy; it's dawn
• North with us? Never, of late
• Not of late, even in poetry