Lights out at eleven o'clock from Sunday to Thursday, and lights out at eleven o'clock on Friday and Saturday. Only the fluorescent lamps are turned off, and the dormitory will not be cut off. You can read all night with your own desk lamp. The library can't stay overnight, and it will be out around ten o'clock in the evening. Don't watch it too late at night. It's almost eleven o'clock. Pay attention to your health. . . . . . As for roommates, it depends on the specific situation.