In a survey of twenty thousand people, those who spent at least two hours a week in nature reported better health and wellbeing than those who spent none, and it didn't matter whether the time came in one go or in pieces. Lab studies find lower stress measures after time among trees than after the same time on a street. Evidence: decent
Most of this is correlation, so treat the two-hour figure as a good guess, not a dose. Cheap to test on yourself.
Same theme: A lift
A lift
One creative hour a week
Draw, play, build, cook something new, write. An hour, no goal, nothing to show anyone.
1 hour a weekEvidence: worth trying
A lift
One real win a day
Every day, finish one thing you can point at. A fixed hinge, a sent email, a run. Write it down at night.
no timeEvidence: worth trying
A lift
Put the old thing back in the calendar
Pick one thing you used to enjoy and let drop. Give it a day and a time this week and write it in the calendar.
once a weekEvidence: worth trying