My DH has for years slept through his mouth, which has not provided the best sleeping for either of us. He heard on the radio about putting tape on your lips to help. He tried it and it really works! He wakes much more freshed and so do I.

I lifted Canadianmommy
I used Britt's Enchantment
Happy Scrap Girl's Shiny Plastic Alpha
Pressed Petals Softly Spoken