There is both diagnosed neurodivergence and probable undiagnosed neurodivergence in my household (surprised?), and I've been finding the scientific-but-practical resources of Neurodivergent Insights very helpful lately:
https://neurodivergentinsights.com/
I bought their "Self Care Activities for Autistic People" and I think it's just really helpful for anyone who experiences anxiety to be honest. It's a bargain, and if you pre-order you can get a free workbook:
https://neurodivergentinsights.com/self-care-for-autistic-people-card-deck/