Take 5 pillowcases, sew them together. Nothing special, just a straight line needed. Stuff with 5 pillows (you’ll probably want them on the flatter side, meaning you can go wild with the really cheap ones). BOOM. You’ve got a Nap Mat.
If you plan to click through this pin to find an actual tutorial, you’ll be disappointed. It just takes you to a website where you can buy it. But, this? This looks insanely easy to DIY. Someone please make it and come back and tell us all about it!