Tips to have a goodnight sleep

Up to 70 million Americans either have a sleep disorder or are sleep-deprived. Brush up on these basic rules to getting a good night's sleep. If you spend a nightmarish amount of time in the wee hours counting sheep or wrestling with your pillow — or your worries — you've got lots of company: Up to 70 million Americans either have a sleep disorder or are sleep-deprived. For some of us, it's a physical problem, such as sleep apnea (a brief cessation of air flow). For others, it's caused by emotional or environmental factors. Brush up on these basic rules to getting a good night's