This made me laugh out loud!! Supposedly the "Now I Lay Me" prayer was first printed in the 18th century in the New England Primer. I won't get into the theology of the prayer(!), but rather encourage you to pray with your kids before bedtime. I've found it to be a great time to recount all the ways God has blessed us that day and how every one of those blessings flows back to Christ and his work for us on the cross.