* what causes panic attacks to happen on some days, and in some situations, but not others? * why would i have a panic attack one time i visit the grocery store or drive on a highway, and not at the same place another day? * why do i have less trouble if my support person is with me? * how do panic attacks end? Panic attacks occur when how to panic attacks happen a person experiences a sudden onset of fear and distress. panic attacks can also happen at night and possibly wake a person from sleep. learn more about panic attacks that. Panicattacks And Panic Disorder Mayo Clinic Mayo Clinic Even though the panic attack is said to occur while you sleep, the idea that it's a "sleeping panic attack" may be a little misleading. it’s very difficult to sleep throughout the course of these panic attacks, and the actual attack usually wakes you up, causing significant fear and disorientation. A panic attack can happen anywhere, at any time. you may feel terrified and overwhelmed...