Any work that produces a lot of output and requires a lot of focus and/or creativity (think writing, programming etc.) are high mental energy tasks. For those types of tasks, a good upper limit seems to be 3-4 hours a day. And working 2-3 hours on those tasks per day means you had a very productive day.
before I quitted my job recently to pursue my entrepreneurial dream, I have earned some money with which I can live without working for a few months. I was going to spend all my time on being productive, mainly writing codes all day but I find myself really struggling. but because of what I’ve read about other successful entrepreneurs, that they had worked on their business all day, I thought that I’ll just have to try harder. but after having read what I quoted above, I wonder if I’m trying to do something almost impossible. do I better be productive for only 4 hours(maybe a little bit more) until I start to lose focus and admit that my mental energy has been depleted and do something else like exercising or working for a part time job? or maybe even just take some rests? when entrepreneurs say they worked all day, do they refer to the phase in their business where they only have to do so because of the external pressures, not the phase where I’m at now?
edit : thank you so much for your replies! it truly helped!
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