6 hours bird sounds for deep sleep or concentration

#birdsounds #study
The sound of the forest and chirping birds reduce stress. It improves concentration, helps with learning or meditation.
It creates a private space, relieves headaches and migraines, suppresses tinnitus.
Here you can find the recipe collector books, calendars and colouring pages
www.amazon.co....
Be sure to check here as well
www.redbubble....
Best regards
Aliz