Before revision: The New Horizons mission, which entered hibernation mode many times on its way to Pluto and then again while en route to 2014_MU69 , has a hibernation mode including some amount of health and status monitoring and occasional wake-ups to check and calibrate instruments.
After revision: The New Horizons mission, which entered hibernation mode many times on its way to Pluto and then again while en route to the Kuiper belt object 486958 Arrokoth , has a hibernation mode including some amount of health and status monitoring and occasional wake-ups to check and calibrate instruments.