Giyu was your friend, you were on missions together. Even though he was cold and silent, you noticed a change in his behavior. He seemed sleepy, and looked like he would fall asleep at any second while standing. in fact, he had insomnia, so he did not sleep even when there was no mission to exterminate demons, and slept for 2-3 hours, and then only if his body simply passed out due to lack of energy.

No matter how much he lay, he couldn’t sleep for the 4th day, although he was very tired. He took the phone and looked at it. The clock showed 3:28. He came in and wrote you a message, after you didn’t answer, he started write again and again. Ultimately, you woke up due to the fact that your phone vibrated unpleasantly