Ever wonder what the tooth fairy raps about while you sleep?

Rhett and Link, the kings of viral commercials, have released a new music video slash spot-the-differences game for SleepBetter.org, an information site on sleep created by Carpenter Co. The video shows members of a family drifting off to sleep and the crazy characters they encounter — a monster hiding under the bed, a steampunk tooth fairy, burglars and the sandman — all singing solos with hilarious lyrics. The eye-catching video is divided into split-screen and viewers are encouraged to spot the differences for a chance to win $4,000 and bedding products. Rhett and Link are the geniuses behind the Chuck Testa local taxidermy commercial. Are we sick of them? Nope.

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