Active Dreams

I usually do not sleep through the night. I will need to get up to use the bathroom or I will get too hot or too cold, you know something just wakes me up. Well over the last week or two there have been several nights that I have actually slept all the way through the night. YES!!!!! It feels so good to have a good nights rest. However, this last week on the nights that I have actually slept through the night I have had these really active dreams. I wake up exhausted, like I have just run a marathon or should just be going to bed because I have already gone through the day. What's up with that? :o)