There are these rumors I have heard before and I have decided  to try it on my own. That is lucid dreaming. I have asked many people if they have ever experienced lucid dreaming. A lot of them said they have tried the steps for it and had gotten impatient and never did it. I asked my dads friend and he said he tried it when he was 23 and it was the best sleep he has ever gotten. For those who don't know what lucid dreaming is. Lucid dreaming is when you are dreaming and you question yourself if you are in a dream or reality. When you realize you are dreaming you will be able to understand what is going on around you. Supposedly "You control your dream" for a period of time. I looked up the steps how to lucid dream. An I will be trying to lucid  dream. This will take up to 6 months.  Here is one guys honest review about how lucid dreaming affected him.
If you need more information about how to lucid there is a link below the video.

Here's the link I learned it from you should definitely look it up.
http://www.dreamviews.com/content/what-lucid-dreaming-16/