So often, the time that we need to "Work In" the most is the time it's least possible.
That'd be in the situation of business travel, where you're in a foreign room with none of your toys, and little floor space. Your days are not your own and you sat down for a long time to get where you were going.
I designed this "Warmup" to use your bed ( the largest piece of horizontal real estate in your room) as your platform for movement.
You can also do this at home. You're allowed.