sure it is possible, see hukif who dreams most of the night lucid. also dreamer and sensei are pretty good at it and there are several more examples. its all about commitment and a steady approach.
i had a time where i had 2-4 lucids a night for several nights a week but it was exhausting and not second nature yet. sadly i stopped for quite some time and now i start again...
motivation is a big booster you should have goals that you want to accomplish this brings intention and focus and enthusiasm