The 4-7-8 breathing technique (proposed by Dr. Bruce) can lower heart rate and support relaxation during the power-down hour.

factualpending

Speaker

Dr. Michael Bruce

Evidence Quote

“Practice some kind of breathing exercise like my 4 78 breathing technique to lower heart rate”

Source

My ULTIMATE Senior Guide to Stop Waking Up at Night— Sleep Doctor
Created: 8/13/2026, 4:50:49 AM

My Notes

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