Screaming and Giggles at Night

Lately my daughter has been uncontrollable laughing, screaming, squealing when we’re winding down for the night right before we go to bed. We have a routine after dinner: pajamas (or bath time), brush teeth, hair, and then they go into our bedroom for “Star time” which is one of those starlight projectors for the ceiling and play Hey Bear Sensory Sleep on the tv. I’m trying my best to be patient telling her “it’s time to rest and calm down for the night” but the squealing and uncontrollable laughing keeps on. Is this a stress response from her? It doesn’t happen every night but when she does, I feel very overstimulated and it feels like my ears are vibrating. 😮‍💨