The fire door at the end of the hallway started chirping around 11 p.m.
Not a full alarm.
Just one sharp beep every thirty seconds, perfectly timed to keep everyone awake.
I opened my door and saw two neighbors already standing there, all of us listening like the hallway had become a broken smoke detector.
One person called the emergency line.
They asked if there was smoke.
There was not. Just the chirp.
They said someone would check it in the morning.
By 2 a.m., I knew the gap between every beep by heart.
The next day, maintenance changed the battery in five minutes.
Amazing how fast a whole night of sleep can be fixed after it is already gone.
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