Man, I'm so envious. 
Even on GH my sleep patterns do not improve. 
My body awakens immediately upon any light hitting my eyes... so 5:15 - 5:40am every morning, 

 keep the party rollin' 
.... I'm thinking about changing my career path, and work to become a farmer now 
Regarding GHRP... fairly quickly. GHRP-6 is definitely a good bulking compound.  It's also ideal if you aren't overly concerned with gaining some fat while using it.
This is because the ghrelin hunger that GHRP-6 induces will make you crave fats/carbs. (that was in my case.) 
I believe I've been running it for 2 - 3 months straight right now bro.
-VM