Honestly, what we use a lot is melatonin. So we use lower dosages of melatonin, taking it at different times, depending upon where we are traveling and that can really help adjust the body's rhythm to wherever you are going.
Work - other people's work - is an intolerable idea to a cat. Can you picture cats herding sheep or agreeing to pull a cart? They will not inconvenience themselves to the slightest degree.