Although it might be a bit controversial to say that marijuana makes people smarter, it does appear to increase awareness and open the doors of perception.
It's one of the many mysteries of cannabis: The herb helps millions of people get a good night's sleep and it also suppresses the memory of your dreams.
Many people love the anti-anxiety, mellowing out properties of this non-psychoactive part of the cannabis plant...and don’t see the need to get high off of THC.