It could be that the situation she was in didn't allow her to lie down and sleep comfortably. Maybe she was keeping watch or had some other reason that forced her to sleep sitting.
Maybe she was really tired and couldn't find a proper place to lie down.
Tohru might have fallen asleep sitting due to being overly exhausted or because the circumstances were such that laying down wasn't an option. It could also be related to her emotional state or something going on in the story at that moment.
Chapter 857, "Interested in joining us?", is the clearest early answer because it turns Fuhu Mountain's situation into a concrete plot event. The chapter turns that into something concrete by moving from Jiang Li looked at his face, which was black-purple, black-purple,...
Look to Chapter 16 for the clearest answer. It begins with Just as the words fell, Jiang Shixu swiftly cast his eyes downward., keeps building through His eyelashes were very long;
Chapter 877, "You Are Not the Real Jiang Li!", is the clearest early answer because it turns Gu Group's situation into a concrete plot event. Early on, The Gu Family values their reputation greatly and has a dedicated PR....
The best chapter pointer here is Chapter 21, "Uncle Policeman, They Are the Ones Causing Trouble!". It opens with Jiang Li's clear and logical explanation had everyone stunned in place. and closes on But the implications could be different..
Look to Chapter 34 for the clearest answer. It begins with Seeing that the public sentiment wasn't quite right, Su Yinwan felt..., keeps building through It was she who had anonymously paid someone to write the critical article..., and lands on Now that Lili is misunderstood, they start to kick us.
If you want the clearest chapter reference, go to Chapter 15. Early on, Jiang Shixu woke up from those nightmares filled with blood and darkness,...; later, the chapter leans on The two sleeping pills he took in the evening had left him with a....
Chapter 12 is the strongest chapter-level answer because it starts from Qin?" Jiang Li called out twice, and only then did Mrs. and follows through on The glass shattered on the floor with a crash, attracting the attention of....
Chapter 878, "Do You Dare?", is the clearest early answer because it turns Su Yinwan's situation into a concrete plot event. The chapter gives readers a real answer by opening on Su Yinwan not only chose a remote location for the meeting, but the...
A practical answer is Chapter 3, because it turns the idea into a concrete scene. The chapter opens with Qiao was still annoyed at the attitude of this unknown girl when she heard..., adds pressure through So without a second thought, she blurted out a fierce challenge, "Fine, if..., and ends on.
Chapter 898, "College Entrance Examination", is the clearest early answer because it turns Jiang Shixu's situation into a concrete plot event.