how to have a lucid dream?

[Nrmn]

i think i had one 10 years ago i was flying it felt good, i stumbled around facebook and i saw a trivia that's why i remembered. i can control which detection to go, i want to feel it again. please don't laugh.
btw, i don't think i'm dreaming for a long time or i'm just forgetting please help
nijaz: i can't seem to remember any of my dreams
lara: i can't stand doing nothing even when going to sleep, it gives me a hard time that's why i always stay up late to sleep easier.