I picked some up the other day to see if it would aid in lucid dreaming. I dream every night, but it's often the last dreams which are the most lucid, and I was hoping to get those types of dreams earlier in the sleep cycle... But that's really besides the point. What matters is that I've taken it twice (5mg tablets, a couple each night) and I've felt really good the morning after. I mean really good. I'm one of those people that feel much better in the morning if I've been able to dream during the night, and I've dreamt throughout the night on both occasions. I'm gonna drop the dosage to just one tonight and see how it goes, but I'm really digging the stuff... which I find odd since I've done my share of illicit drugs and never felt the urge of using them with any sort of regularity, regardless of how good they've made me feel.
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http://soundcloud.com/thundersheep/lunatic-asylum
http://soundcloud.com/thundersheep/summer-rain