1. When im lucid it only seems to last a couple of minutes, what can i do to keep myslef lucid aslong as possible?

2. when i become lucid, dream characters seem to constantly pester me distracting me from the plans that i intend to carry out and they wont go away, and my powers dream powers dont seem to work on them.

please feel free to give me any advice you can, it would help alot!