https://www.serta.com/blog/2015/01/2...ff-with-serta/
Daily Entry

To enter, participants are required to submit a photo on Twitter or Instagram showing how they are the biggest fan of their favorite football team. Examples might include:
• A pet decked out in your team’s colors
• Your collection of team jerseys
The photo must include #SertaCountdownToKickoff and #SertaSweeps in the caption. To be considered a qualified entry, the participant’s profile must be set to “public.” One winner will be chosen every day for seven days, with the grand prize winner announced on February 1, 2015 during Halftime during The Big Game.

Six (6) Daily Prizes: Each Daily Prize winner will receive one (1) Serta Counting Sheep Plushie. The approximate retail value (“ARV”) of each Daily Prize is $5. One (1) Grand Prize: Grand Prize winner will receive one (1) Serta mattress set of the winner’s choice up to a value of $4,950 or less.