Supernanny Jo Frost Is there anything more divisive in the parenting sphere than sleep training? Probably not. And TV personality Jo Frost has had enough.In an Instagram post shared on Tuesday, the Supernanny star shared a video in which she targeted those who are making parents feel bad for trying it.“Enough with the guilt-tripping against parents who sleep train their toddler-age children,” she said. “Most times it’s needed for the entire family.“Let’s not normalise parent and child functioning every day on sleep deprivation – because that is what’s harmful to a child’s developing brain and a parent’s mental health.”She continued: “If you don’t do it, that’s up to you. But let’s stop putting information out there ... that’s misleading parents and guilt-tripping them, because that’s just unkind.” What is sleep training?The premise of sleep training is fairly simple: parents are aiming to teach t