Board Thread:Chapter and Episode Discussions/@comment-4271790-20141029103111/@comment-17623-20141029115039

Well now we know what the bandages are for.

I can only assume the "Yin Kurama going to sleep" is mainly to avoid the obvious "Hey Naruto, yer arm is gone. Don't worry bro I got you. /DemonChakraRegrowsArm" scenario.

Not like Yin-Kurama can just disappear, that would kill Naruto.