Elizabeth Olsen is opening up about how debilitating her anxiety used to be.

In an interview with The Guardian published Sunday, the His Three Daughters star admitted that she used to have panic attacks daily in her 20s.

Multiple times, like, almost every hour! Olsen said, noting that tiny changes around her would often trigger them.

It was literally, like, any time there was a shift in something: hot to cold, hungry to full. I thought, Oh, is this OK? And then it would spiral and it just became this habit, she said.