Mirror in bathroom so can see the back of head. How To Hide Unsightly Wall Panels - tutorial shows how to attach hinges to a picture and wall so switches, access panels, etc. can be hidden, yet still accessible. This is not recommended for thermostats!
I love this idea instead of a pillow. And rather than being a waste of money or a one-use item, you can set this on the dresser and use it as a ring holder for the times you need to remove your wedding rings!