HOW MANY HOURS DO YOU SLEEP PER DAY?

I recently did not sleep for three days when I was passing the state.
On the third day, in the morning, small visuals began. By the middle of the day they are already stronger.
It is very difficult to concentrate, reading is almost impossible. Any shadow, any pattern, any bend on the paper turns into some forms, images. You get a little distracted and already start to fall asleep. You close your eyes, in a second you open and the whole body becomes a little numb, as if after waking up.