Nothing is worse than lying awake at night, willing your brain to shut down so you can rest. Warm milk, lavender oil, and counting sheep — we've all tried them. But the new solution could be simply learning to breathe. WHAT IS IT? The 4-7-8 breathing technique was pioneered Dr. Andrew Weill from Arizona, who describes the yoga-inspired method as "utterly simple, takes almost no time, requires no equipment and can be done anywhere." Dr.Weill claims that 4-7-8 breathing can.