What is the cat doing while the owner is working?

It is a movie in 30 seconds that the owner photographed what the cats keeping for 10 hours going out at work are doing.

It seems there was a surprising life of the cats there.

Movie playback is from the following.
What Your Cats do While You're at Work - CollegeHumor video

sleeping.

Rumbling.

I am still sleeping.

When will it move?

The cat on the right has gone.

However, I immediately went back to bed.

This time two animals disappeared.

After all it returned soon.

How awful, I only slept. It is safe to leave the house at work, as long as you are quiet.