El Paso, TX.

The primary reasons that patients require additional sleep studies are significant changes in weight, the development of a major medical condition which is associated with a worsening of nighttime sleep or daytime sleepiness, or an increase in excessive daytime sleepiness for no apparent reason. If you have been treated for sleep apnea by upper airway surgery, an oral appliance, or a significant weight loss, another sleep study will determine if these treatments have been effective in improving your sleep apnea.