This includes treatment for 80% of the 250, 000 to 350, 000 people who suffer from fatigue due to multiple sclerosis, and perhaps 200, 000 of the 12 million patients suffering from obstructive sleep apnea, a sleep disorder that causes aperson to stop breathing during the night, but which also causes daytime sleepiness, says Cephalon spokeswoman Sheryl Williams.
Videotaped sleep studies have found that adults might change their position between three and 36 times anight, with the average person switching about a dozen times.