Is working 8 hours 5 days better than 6 hours 6 days for burnout?

I was working 8 hours a day and 5 days a week at mcdonalds and was feeling burnt out. I asked to just work 6 hours a day. They agreed but now im working 6 days a week.

Is working 8 hours 5 days better than 6 hours 6 days for burnout?
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