HOUSTON – Jim “Mattress Mack” McIngvale remains in the hospital. On Monday, he he updated followers on his social media accounts about his recent health concerns. “Day three here at St. Luke’s Hospital. They’re taking great care of me, trying to figure out why I have this massive swelling in my leg with all this, red rash all over it,” he said in the video, showing his leg. “And, why I had … memory loss the other day and first time ever, I drove past the store.”