Do not be deceived. She's not fully sleep.
It's just that her senses are so sharp, she realizes it's just Kogasa.

Since there's no threat, there's no reason to move ;)

KazuyaRazuKazama said:

Do not be deceived. She's not fully sleep.
It's just that her senses are so sharp, she realizes it's just Kogasa.

Since there's no threat, there's no reason to move ;)

I am inclined to believe your theory, especially as it seems she's expected (on the next page).

MD5 mismatch of https://pbs.twimg.com/media/CIv-3OKUcAAkVMh.png:orig

Fullsize already exists at post #2069752