Doubtful by Version 2. Even though your being sarcastic, Apple
Probably is working on a sleep tracker, my guess is something other companies have not attempted In a Smart Watch or beyond.
Apple has its own health team dedicated to the Watch, with Health experts experimenting with new technology we have not seen yet. If I recall correctly, Apple even has its own health lab for the Apple Watch. So don't be surprised if we actually do see
A sleep tracker, not yet, but it will be a selling point for those who will truly appreciate it in the future.