So you'd be watching the kids for free. I mean that's your choice to be a charity. But there's also no litmus test for the genuine charity givers and the "I'll take my payment in other forms through your kids behind your back". And a parent should care about their child's sleep because that directly impacts their health. And if the charitable nanny is now watching them all night, they'll need to be getting them ready for school the next day too. So when do the parents actually see their own kids to you know, parent them?