I found an older post that’s similar, dated July
http://forum.freecodecamp.org/t/keep-getting-signed-out/212126
I removed every extension and that didn’t help either.
There was also a post in June that was similar. It seems to be an intermittent regular issue?
Maybe someone can get something from this post :
http://forum.freecodecamp.org/t/cannot-log-in-to-my-account/194585