Listening to birds, especially lots of different kinds of birds, makes people more healthy mentally.

The research: https://www.nature.com/articles/s41598-022-20841-0

Some bird songs to practice with in case you don’t live in a place with lots of birds nearby: https://youtu.be/aL8ygj3_NlQ?si=rv5mJZ_NL6FL24W2