lucid dreaming techniques

if anyone knows of any pre-dream techniques for achieving lucidity, i'd really appreciate it.

 

http://www.lucidcrossroads.co.uk/howtodoit.htm

 

Might not be EXACTLY what you are looking for but there is some herb that can smoked that help in dreams, I just can't remember their names.

 

set an alarm to go off ~4 hours after you fall asleep, then go back to sleep after waking.