He woke as they began to land, anyway.

For two reasons.

One: He was not so deeply asleep that, after years of serving as a general in a war, flying and on a variety of ships, he could have slept through the change in the vibration and sound of the engines that preceded landing

Two: As they got through the atmosphere he could Feel the planet and energy that saturated it.

So, he sat up, rubbed his eyes and waited.