I've been drinking a small cup of Guayusa before bed nearly every night for probably the past year and a half... and LOVE IT!! It hasn't quite made all of my dreams lucid, but it expanded my dream recall exponentially.
Also, a little bit seems to counteract the sleepiness and nausea of an Ayahuasca brew (drink Guayusa BEFORE Ayahuasca), and adds a more lucid-vivid-clarity to the Aya dream.
Truly awesome tea. Yummy and invigorating. I boil whole leaves for 20+ minutes and let them steep in a big pot on the stove. I'll leave it out for days, maybe a little over a week until it's gone (nothing ever grows in it...). It's the best when PITCHED BLACK.
Some things will come easy, some will be a test