To Throw Out Of Order, To Disturb
Transitive verb and Godan verb
みだす
注意欠陥過活動性障害の子どもは、生活のリズムを乱されることに耐えられないことが多いです。
Kids with ADHD typically can’t stand having the rhythm of their lives thrown out of order.
You know how 乱れる is "to be in disorder"? Well, now you're the one causing this. So, by doing this you are going to put in disorder things. Just imagine all the people who will try to sue (す) you for your actions.
The reading is the same as 乱れる, so make sure you know that so you can know this as well.