Nature Week.
Do as much as you can outside. Walk, eat, work in the garden, exercise in the park, bike to the shops, take the first coffee, sleep under the stars.
Give it a whirl. You might feel better for it.
Bonus: Hunter Gatherer 21C.
Crazy Bold Experiment 1
Crazy Bold Experiment 2
Crazy Bold Experiment 3
Crazy Bold Experiment 4