1.0 link Rainbow Dash Network http://rainbowdash.net/ derpyshy / chem (shyderp) http://rainbowdash.net/shyderp http://rainbowdash.net/notice/1919477 @<span class="vcard"><a href="http://rainbowdash.net/user/7875" class="url" title="Omni"><span class="fn nickname">omni</span></a></span> xD It's basically how your brain finds out if you're asleep or not, and can start the actual deep sleep. If you scratch the itch, ypu are definetely awake, but if you don't, you'll fall asleep while you're awake (basically) x3