Who is the girl in the mattress world commercials?

Her name is Brandi Engel a 2004 graduate of Mt. Lebanon High School South of Pittsburgh. She obtained a free ride to Pittsburgh's Duquesne University. In 2005 she auditioned and was picked to co-star in the movie "Believe in Me" a film about an underdog girls' basketball team that makes it to the Oklahoma state championships.

Her mom is Jeanette Engel who along with her husband Dean own and operate Mattress World. Hence the commercials.