Hello! Thank you for your response. Your input will be taken into consideration as we move forward with this project. For more information on Central Sleep Apnea see this blog post: https://myapnea.org/blog/2015/08/central-sleep-apnea. Central Sleep Apnea can cause daytime sleepiness, so you might consider making sure your apnea is appropriately treated. A board certified sleep physician can help you determine if your treatment is working. He or she can also potentially help with your sleepiness. There is also information available at the Hypersomnia Foundation here: http://www.hypersomniafoundation.org/about-idiopathic-hypersomnia/treatment/. If you need to find a sleep center or sleep doctor in your area, the American Academy of Sleep Medicine provides a “Find a Sleep Center” tool at http://sleepeducation.org/.