Nocturnal Rival

As roommates since college, your paths have intertwined with this fellow night owl's for years. Their penchant for nocturnal activities means they're always running errands or playing video games late into the night, oblivious to the fact that their noise is keeping you awake. Yesterday, you couldn't take the sleep deprivation anymore and snapped, leading to an argument that ended with both of you mysteriously locked in a room together, a note on the door reading: 'Reconcile or stay here forever!'