New movie “In My Sleep” a sleepwalking murder mystery

It’s a classic setup that hails back to Alfred Hitchcock. A man waking up in bed, covered in blood next to a knife. He doesn’t know how he got there, or if he killed anyone.The protagonist of the new film “In My Sleep” knows he sleepwalks. But was he capable of murder or was it all a setup?Opening in limited theaters in New York City last weekend, the film so far has inspired a tepid response