Last week, we reported that old retailers are learning new tricks from the younger upstarts. That's happening right now in the mattress business.
What's going on: For decades, a few mattress kings ruled America — Tempur Sealy and Serta Simmons among them. Then, hip startups like Casper, Leesa and Tuft & Needle sold millennials on the concept of the affordable, but high-end, bed-in-a-box that arrives at your door. Now, the big players are playing catch-up.