C361 Strenuous means

After one night, when I woke up the next day, I really felt weak. Furthermore, when I woke up, it was already past ten in the morning.

After sleeping for such a long time, I still haven't recovered from it. I turned my head to look at the side and saw that she was also sleeping. She was just like me, also very tired!

Last night, she had been in a terrible situation! For the first time