https://sleepopolis.com/education/anxiety-preventing-sleep/

Kids have been bullying each other for generations. Bullying is defined as the physical, verbal, relational, and/or or psychological attacks or intimidation against a person who cannot properly defend him/herself. It includes two key components: repeated harmful acts and an imbalance of power.
https://anchor.fm/simonsaysgb/episodes/Interview-with-Tracey-Maxfield-Author-of-Escaping-the-Rabbit-Hole-e1csih/a-a37v02