Humans cannot function like machines, running intensely for long periods without rest, and if you find yourself in such a state, you should question whether there's something wrong with you.
After Meng Yu returned to Sleepless City and took care of some necessary matters, outlined strategies, and moved his residence to the City Lord Mansion, he fell asleep right away.
He even didn't bother with the myriad of trivial matters outside, the mountain of Spirit Stones, possible assassins, etc., he relaxed and began to sleep.
