Apple is aware of rare circumstances where the built-in keyboard and Multi-Touch trackpad may become unresponsive on 13-inch MacBook Pro with Retina display (Late 2013) computers and is working on an update to resolve this behavior.
If you experience this issue, reset the keyboard and trackpad by closing the computer’s display for approximately one minute and then open it.
We'll let you know as soon as the update is available. You can
Read More [via CNET]