Jackson's doctor became the subject of a police investigation after admitting he gave Jackson a powerful drug to help him sleep.

VOA: special.2010.01.02

Sporting built-in pressure sensors, an LCD display, and what we're assuming is a powerful sleep analysis engine, the pillow seems to do little more than count the number of times your head moves around at night, displaying the resulting data when you wake up in the morning.

ENGADGET: Japanese pillow offers napping advice

AEG's attorney says the case is about personal choice, namely Jackson's decision to have Murray serve as his doctor and give him doses of a powerful anesthetic as a sleep aid.

NPR: AEG Exec Discusses Jackson Interactions, Emails

For sensitive operations like spine, heart or brain surgery, doctors don't just put patients to sleep, they temporarily paralyze them with powerful muscle relaxants.

FORBES: An Anesthesia Revolution?