亦以自梦似梦是醒
[yì yĭ zì mèng sì mèng shì xĭng]
The characters can be understood as 'Dreaming Like a Dream While Being Awake', which means one seems to have been dreaming while staying awake. It shows ambiguity about the border between dreams and reality. This type of online name expresses confusion and helplessness towards life and the real world.