Early Sirens is the first book ever to offer critical health warning signs long before sleep apnea so you can take proactive steps to head of CPAP mask and sleep apnea's many complications: heart attack, Alzheimer's brain, acid reflux, chronic pain, fatigue, stroke, high blood pressure, and more.In this sequel to his ground-breaking Six-Foot Tiger, Three-Foot Cage, Dr. Felix Liao has connected the dots of snoring, teeth grinding, jaw clicking, neck-shoulder-back...