AS VEGAS — Simmons is introducing its new ComforPedic iQ mattress, a self-adjusting mattress that provides personalized support, at a launch party here on the eve of this month's Las Vegas Market.

Speaking at that event will be Dr. Andrew Weil, a leader in the field of integrative medicine, who is endorsing the ComforPedic iQ mattress. This is the first mattress that Weil, the founder and director of the Arizona Center for Integrative Medicine at the University of Arizona Health Sciences Center, has endorsed, Simmons officials said.