The dormancy period was the Argrathi prison's required time for sleep. Lights were turned off during this period. Any prisoners who remained awake were subject to habitat reprogramming or punishment. (DS9: "Hard Time")
Memory Alpha
The dormancy period was the Argrathi prison's required time for sleep. Lights were turned off during this period. Any prisoners who remained awake were subject to habitat reprogramming or punishment. (DS9: "Hard Time")