listen, based on what ive seen on the first two episodes (i didnt watch the other ones), i have learned that if rick could completely disregard his own canon, then i could, too
They are alone in their mind for the first time. Perhaps not the first time ever, but the first in a very, very long time, long enough that they can't remember who they were before.
So why is it still so loud?
They don't know. But it is, and it hurts, and they just want to fall asleep but the bright, orange-tinted glow of a computer screen begs them to stay awake a little longer, to cry into an abyss that will never love them back, to-
Maybe Anne and Sasha wake up, realizing that Marcy hasn't fallen asleep. They will pull her down into the sheets, and with her girls next to her, their warmth soaking through her bones, she will eventually drift into a pleasantly dreamless sleep.
Or maybe Heart and Strength will stay unaware, and the shattered remains of Wit will be left alone with their screeching thoughts, leftovers like tablescraps from the poisoned feast of the Core. Maybe the Host won't sleep until dawn, and their mind will be plagued by nightmares when they do.