(That's a long ship name but I crave- this is after high school and they all live together~)
Sleep was more of an insensitive for Akaashi and Kenma. Unlike Bokuto and Kuroo who were out like a light before midnight (literal children-) the two would stay up working. Akaashi having to complete paperwork or catch up on his schoolwork during the late nights and Kenma staying up for his streams or to edit a video. The fact the two already had trouble sleeping was bad enough but their work stacking up was no good as the two constantly stressed.
And of course when Kuroo and Bokuto would wake up to an empty bed and finding a few empty coffee cups they'd get worried. They talked it over to each other multiple times knowing this couldn't be physically or mentally healthy.
They finally planned to bring it up, their sleep schedule was only getting worse if the dark bags under their eyes said anything.
Getting home the day they planned to talk it over with the other, Bokuto and Kuroo stepped into a completely quiet house. They exchanged concerned looks before starting their small search party.
A good three minutes passing before Kuroo called.
"Bokuto, get over here," he spoke softly, and Bokuto was quick to make his way to the living room.
He glanced at Kuroo and then the floor to spot his other two other boyfriends, fast asleep on each other on the ground.
(This was supposed to be just BokuAka at first but I was craving KuroKen and I love all four so I made all four happen~ big brain things)