I read an article a while ago that showed it was completely impossible to make up peoples faces in your dreams. All the faces that appear are real faces, people you may know or have just seen anywhere, in any part of your life.
Quite an interesting thought.
How do blind people know if they've wiped enough then they've been to the loo?
Of course people born blind can dream. They need to dream. IIRC they just don't see anything and dream with their other senses, although it probably varies from person to person.
How do blind people know if they've wiped enough then they've been to the loo?