Dreams and angels Once you do this technique, you might get downloads on your brain every night during REM-sleep. It might wake you up around 3-4 am every day. REM-sleep is when you dream. So, you might start having unusual dreams and you feel as if someone is teaching you during the night, especially if you have a dream that you are at school, and your teacher is telling you something - Your teacher in the dream is one of your angels. They normally appear in human form.