Yes that's already started being suggested. Had to update my first aid certificate recently and as of a few years ago the Red Cross now recommends allowing the person to sleep if possible. But they should be woken up and checked on every 4 hours or so.

https://www.redcross.org/take-a-class/resources/learn-first-...

When has that been a thing? When I got a concussion 5 years ago, the hospital in Seattle let me sleep all day in bed and told me to get plenty of rest.

…no…