An estimated 20 million people miss between one and three days of work each week because of severe, chronic, debilitating insomnia. And, as many as 40 percent of Americans over the age of 60, suffer from some type of sleep apnea. In this study, Dr. Fritz investigates these alarming statistics and attempts to help readers fully understand this serious problem.More
We've sent an email with your order details. Order ID #:
To access this title, visit your library in the app or on the desktop website.