Looks like I'm one special species who can't stay up until late at night. I envy Donk Donk who can stay awake the whole night to do his work. The first night I slept late, I ended up with ulcer on both sides of my tongue the next day. Now, my tongue looks like it has been eaten up, part of it disappeared to dunno where. So, I'm back to become sleeping beauty... sleep early, wake up late~!