I was leaving in the morning and my brother was sleeping. I walked over to him and whispered "Do a reality check." in his ear. A minute later, he rolled over and said "Oh sh*t. That was a dream.". Apparently, he heard me in my dream and did an RC. However, he was fooled by the realism of the dream world. That was his first LD!:p He was sooo happy. Try it. I also had my fourth LD the following night. Sorry for all the smillies.