Make mine a micro-job Why working one day a week is the secret of happiness
theguardian.com
theguardian.com
Most of the time that doesn't bring happiness.
If you get lucky you will fail fast or succeed fast otherwise the whole thing becomes quite painful.
Source: I have some experience with the latter scenarior.
But I guess it would be feasible for someone full time and trained to reduce progressively to one or two days per week after negotiation with the employer