I would say the editing phase, as I have done a lot of writing and multiple people around me refer it as that, but the revising stage also covers editing, which doesn't make much sense. I guess that it depends on what your class taught you. Sorry if this doesn't help you, but my best answer would be the editing, since it covers going back through a paper to check for errors. Do you know what the exact definition of "editing" and "revising" is and could you get back to me with that?
Sleep deprivation can be detrimental, as it can cause damage to the brain. The damages that the brain can face are being unable to learn or adapt to new things and very important neurons being killed.
