[dynoman]

Try working rotating shifts.

Week 1 - four 8hr days Monday-Thursday
Week 2 - Three 12hr nights starting Friday night
Week 3 - 12hr night Monday night, and three 12hr days Friday-Sunday
Week 4 - Three 12hr nights Tuesday-Thursday
Week 5 - Four 12hr days Monday-Thursday

Repeat for 30 years.

[dainbramaged]

Try working rotating shifts.
I lasted about 3 years at Kaiser Aluminum (mid 70's) with a similar schedule, which they called a 21 day turn.
Week 1: Swing shift, 7 days straight then 2 days off.
Week 2: Day shift, 7 days straight then 2 days off.
Week 3: Graveyard shift for 7 days then 5 days off.
Repeat for 5 years then you got 10 weeks paid time off to clear all the toxins from your body. It was brutally hard work that paid pretty well.