I thought I was versed in heart attacks, but this has a lot of info I have not been exposed to. It makes sense. Many people are also completely unaware that people with sleep apnea are particularly susceptible to heart attacks while sleeping. This article states 60% of people who have attacks while asleep never wake up. They just die. This was proven by autopsy to be the straw that broke the camel's back leading to Carrie Fisher' death. She slept on the plane without her cpap machine... drop waist items to wear of the wedding