Let Him Sleep For When He Wakes Will Move Mountains - Boy's Room Kids Baby Nursery - Adhesive Vinyl Lettering Quote, Wall Decal Art Mural, Sticker Decor, Saying Decoration This decal says 'Let him sleep, for when he wakes he will move mountains' Easy to apply and can be cleanly removed without damaging your walls. Instructions are included with your order. Apply to walls, doors, windows, or any other smooth or semi-textured surface. Premium exhibition-grade vinyl films by Oracal, an industry leader in vinyl manufacturing. 100% Money-Back Guarantee! If your wall quote doesn't meet your expectations in any way, we'll happily send a replacement for free or refund the purchase price.