Weighted blankets are the new parenting trend. Do they work?

When Pamela Hunter's young daughter Ransom was diagnosed with a neurological condition called sensory processing disorder, Hunter noticed that Ransom was often calmed when draped in a homemade woven blanket. "I tested it out on her and immediately we saw her body relax," Hunter says. In the years since, Hunter launched Sheltered Co., a Los Angeles company that sells hand-woven, large, slightly heavy blankets made from sustainable materials. So-called weighted blankets are having a moment, as doc...