1.0 link Rainbow Dash Network http://rainbowdash.net/ Drew (drewdle) http://rainbowdash.net/drewdle http://rainbowdash.net/notice/191487 @<span class="vcard"><a href="http://rainbowdash.net/user/1370" class="url" title="Dalton &quot;It's a secret&quot; M"><span class="fn nickname">moof</span></a></span> It's something the brain produces to regulate when you sleep and when you don't, and to a lesser extent, how much you can sleep in a single go. You can buy it in a health store because if you take it, it tends to reset that internal schedule, thus allowing insomniacs (me!) to sleep. But it does produce interesting dreams.