I think I might have saw something about this in the book When, but might have been a different one. They described it as when tired, the guards of judgement that normally stand when we're well slept are less active. Not sure how accurate it is, still trying to test it.
> For important complex decisions I think I am still better off well rested.
100%.
> For important complex decisions I think I am still better off well rested. 100%.