I've only ever smoke joints, but this looks way more efficient. I'm planning on using some Granddaddy Purple.
Answer - Founder of Vapexhale and Cannathlete
In order to sleep, I would look at some form of edible as it will take longer to metabolize and allow you to sleep longer. Vaporizing can be very good for falling asleep. Instead of counting how long of an inhalation makes me sleepy, I typically take manageable size hits until I am starting to feel sleepy and dose that way.