If in a dream you felt a gas smell, then you risk to make unfairly low opinion about some people. Do not make hasty decisions. To feel in a dream suffocation - to a trouble into which you will get accidentally because of the negligence and levity. If dreamed you that you light the gas burner, then in reality you will be able to find a way out from it would seem to an impasse. If you extinguish it, then you risk by nonsense to break the happiness.
Be sure and keep any other thoughts out of your mind before drifting to sleep as a cluttered mind can decrease the chances that you will remember your dreams upon waking. Also, focusing on remembering your dreams upon waking in the morning is another very important thing. This sounds very easy, but is often hard for some to do. Interpret a dream by "dictionary dream of interpretation"
When you very first wake up, simply think about your dreams. Don't allow your mind to drift off to other things, just lay there and think about the things you dreamt about the night before - dictionary dream meaning.