She d.ied in his sleep from doing this: I implore you, don’t do it. It causes heart attacks and strokes.

Sleeping in this habit can increase health risks: why specialists recommend avoiding it.
Going to bed should be the safest time of day. However, for millions of people, nighttime has become a silent, high-risk environment for the heart and brain.

The story of Roberto, a 68-year-old man, active, with no serious medical history, and seemingly healthy, starkly illustrates this. He died in his sleep, painlessly, without warning. The immediate cause was a massive heart attack, but the real trigger had been silently working for years during his nights.