One-third of the night shift at one of Amazon's Sacramento warehouse walked off the job in the wee hours of December 23. Workers went together on a break to deliver their demands to management, then clocked out. Night-shift workers delivered a petition with 4,015 signatures to management during their 2:30 a.m. break on December 23. After reading out loud their demands for a meeting with management and paid time off, 36 of the 100 night-shift workers clocked out at 2:45 a.m. and walked off the job mid-shift.