Relaxation Techniques:
Ted Talk Deep Breathing
https://www.youtube.com/watch?v=hFcQpNr_KA4
John Hopkins Hospital
https://www.youtube.com/watch?v=intVpw4LhMY
Progressive Relaxation Exercise
https://www.youtube.com/watch?v=86HUcX8ZtAk
Relaxation Music
https://www.youtube.com/watch?v=1ZYbU82GVz4&t=795s