Originally Posted by
Darkmatters
I don't understand what you mean here. WILD means Wake Induced Lucid Dream - in other words, it means you go into the dream state directly form being awake. There's no 2 minute limit. It can be when you first go to bed (though that's rare and very difficult) or during a WBTB or DEILD. The only requirement for calling it a WILD is that you fall asleep while remaining conscious (or aware).
WBTW means Wake Back To Bed - it simply means you wake up - preferably during a REM period and preferably late in your sleep cycle so it's a long REM period and you've already gotten plenty of restorative deep sleep, and then you go back to sleep while using some WILD technique to try to enter the dream state directly while still conscious (aware).
By any chance is your friend into Buddhism or Yoga? Or something similar? Because it sounds like he's describing the Clear Light dream which is something they practice in order to attain enlightenment. They say it's possible, when you've mastered lucid dreaming, to fall asleep and go directly into the clear light state where you're aware and thinking, but have no dreams, and this state apparently can last through all phases of sleep - REM and nREM.
If this isn;t what he's talking about then I apologize for adding confusion to the issue.