This style of bed works well for dogs who like to lean against something for security, or prefer to rest their heads on something slightly higher when they sleep. (animalbehaviorcollege.com)
You could do some reading on the couch with it, but your wrists might get tired if you don't lean it against something. (digitaltrends.com)
When he opened the door opposite the driver's, a woman who was leaning against it fell to the ground. (bookbrowse.com)