Doctor Sleep, the sequel to the iconic horror classic The Shining from The Haunting of Hill House director Mike Flanagan, is coming to digital on January 21 and 4K Blu-ray on February 4, and it’s bringing nearly 30 minutes of new footage with it. That pushes the already-lengthy Stephen King adaptation’s runtime to a full 3 hours. Flanagan announced the director’s cut on Twitter, revealing the new extended runtime and the Blu-ray’s box art. https://twitter.com/flanaganfilm/status/1207754946159857665?s=21 In addition to the director’s cut footage, which according to …