If I can change the world the first thing I would do is change your nightmares into sweet dreams. dhavalvadi 4 years ago If I can change the world the first thing I would do is change your nightmares into sweet dreams. 1 If I can change the world the first thing I would do is change your nightmares into sweet dreams. If I can change the world the first thing I would do is change your nightmares into sweet dreams.