I refresh the page, and I'm signed out then, if I hit 'sign in', or even just refresh the page, suddenly I'll be signed in again. Here is a real case: It's by no means permanent if I refresh my page, it'll sign me back in again, but if I go to post a comment or upload a video, it'll give me an error message saying 'I have to be signed in' to do that. When you search for it on the Internet, you will find that many users are bothered by this. YouTube keeps signing me out is not a rare issue. Are You Bothered by YouTube Keeps Signing Me out?