I go through this at the beginning of every school year. All it really takes is about two weeks of being forced to wake up at 6am.

Just grow older. At 45 you'll start turning into one automatically

Work out every day

Cocaine might do it?

The key is to master dissociation.

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Discipline

A good alarm clock might work.

Work on a mine site and get used to waking up at 4:30 for a 5:30 start to the work day. Then sleep in.