turn into a pumpkin

verb3

1. •
   (informal) To go to bed; to go to sleep (especially at, or around midnight).

   • I'm about ready to turn into a pumpkin. You can stay up later if you want.
   • Tell her I'm turning into a pumpkin if she stays out too late. She won't be getting a lift from me.
2. •
   (informal) Used to indicate a curfew, or the time by which one must depart.

   • My daughter turns into a pumpkin at 10:00, so you need to have her home before then.
   • I'm turning into a pumpkin at 4:00, so we need to finish this.
3. •
   (informal) To cease to be special or extraordinary.