Secrets to getting a good night’s sleep Published: Updated: Tags: Secrets to a good nights sleep JACKSONVILLE, FLa. – Researchers say 70 million people have sleep disorders like insomnia, sleep apnea or narcolepsy and more than 100 million Americans just aren’t getting enough sleep. Adults should get anywhere from seven to nine hours of sleep a night according to the Centers for Disease Control and Prevention. Are you shaking your head asking, “When was the last time I got that much sleep?” You are not alone. There are a lot of reasons why people are not sleeping but one thing that might help is knowing what you should and should not do when you can’t fall asleep.