https://kidshealth.org/en/teens/yoga-stress.html#
https://www.anxietycanada.com/sites/default/files/CalmBreathing.pdf
https://www.understood.org/en/friends-feelings/managing-feelings/fear/8-self-soothing-techniques-for-your-young-child
https://connectability.ca/2010/09/23/calming-strategies-to-use-with-children/