I love doing this to my owner just when she wants to sleep.

What you need.
A door
Your owners bed

What to do
When your owner really wants to sleep, come and scratch on the door until they let you in. Once they do, run and jump on the bed, laying across it all.

As they come back after closing the door, they will realise that they can't sleep because you're in the way.

After they finally find a way to sleep, get up and stand by the edge and bark. Refuse to jump off the bed without the light on. If you have good owners, they'll turn on the light and then, like magic, your free!!