Personalized When The WhatIf Monster Sleeps There are No Worries to Keep Youth Long Sleeve T-Shirt. Put your fears to bed with When The WhatIf Monster Sleeps There are No Worries to Keep Youth Long Sleeve T-Shirt - Red, from "Jonathan James and the Whatif Monster" by Michelle Nelson-Schmidt. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)