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

Increased heart rate

Light and fragmented sleep

Spries in blood pressure

Increased risk of arrhythmias

The heart never truly rests.

What to do

Keep the bedroom between 16 and 20 °C (61-68 °F)

Use ventilation or fans if there is no air conditioning

Choose cotton or linen bedding

Avoid synthetic materials