To hypnotize your sleeping habits into your own.
This is commonly used with most office workers or for those who work in the emergency departments.

You can wake up instantly if you are needed and get out the door in less than 2 minutes.
Or you can sleep 5 hours one night, and 8 the next and 6 the next.
Most military personnel including those on submarines practice this technique.

A cryptocurrency of little to no value, usually a late-comer to the Bitcoin craze, a copycat cryptocurrency.