| 1. | Punjabi NM. The epidemiology of adult obstructive sleep apnea[J]. Proc Am Thorac Soc, 2008, 5(2):136-143. | 
				                                                        
				                                                            
				                                                                | 2. | Cho YW, Shin WC, Yun CH, et al. Epidemiology of insomnia in korean adults:prevalence and associated factors[J]. J Clin Neurol, 2009, 5(1):20-23. | 
				                                                        
				                                                            
				                                                                | 3. | Chung KF. Insomnia subtypes and their relationships to daytime sleepiness in patients with obstructive sleep apnea[J]. Respiration, 2005, 72(5):460-465. | 
				                                                        
				                                                            
				                                                                | 4. | Krakow B, Melendrez D, Ferreira E, et al. Prevalence of insomnia symptoms in patients with sleep-disordered breathing[J]. Chest, 2001, 120(6):1923-1929. | 
				                                                        
				                                                            
				                                                                | 5. | Smith S, Sullivan K, Hopkins W, et al. Frequency of insomnia report in patients with obstructive sleep apnoea hypopnea syndrome (OSAHSHS)[J]. Sleep Med, 2004, 5(5):449-456. | 
				                                                        
				                                                            
				                                                                | 6. | Subramanian S, Guntupalli B, Murugan T, et al. Gender and ethnic differences in prevalence of self-reported insomnia among patients with obstructive sleep apnea[J]. Sleep Breath, 2011, 15(4):711-715. | 
				                                                        
				                                                            
				                                                                | 7. | Kessler RC, McGonagle KA, Swartz M, et al. Sex and depression in the National Comorbidity Survey.Ⅰ:llifetime prevalence, chronicity and recurrence[J]. J Affect Disord, 1993, 29(2/3):85-96. | 
				                                                        
				                                                            
				                                                                | 8. | Huang L, Zhou J, Li Z, et al. Sleep perception and the multiple sleep latency test in patients with primary insomnia[J]. J Sleep Res, 2012, 21(6):684-692. | 
				                                                        
				                                                            
				                                                                | 9. | Lee MH, Lee SA, Lee GH, et al. Gender differences in the effect of comorbid insomnia symptom on depression, anxiety, fatigue, and daytime sleepiness in patients with obstructive sleep apnea[J]. Sleep Breath, 2014, 18(1):111-117. | 
				                                                        
				                                                            
				                                                                | 10. | Huang L, Zhou J, Sun Y, et al. Polysomnographically determined sleep and body mass index in patients with insomnia[J]. Psychiatry Res, 2013, 209(3):540-544. | 
				                                                        
				                                                            
				                                                                | 11. | Krakow B, Melendrez D, Sisley B, et al. Nasal dilator strip therapy for chronic sleep-maintenance insomnia and symptoms of sleep-disordered breathing:a randomized controlled trial[J]. Sleep Breath, 2006, 10(1):16-28. | 
				                                                        
				                                                            
				                                                                | 12. | Krakow B, Melendrez D, Lee SA, et al. Refractory insomnia and sleep-disordered breathing:a pilot study[J]. Sleep Breath, 2004, 8(1):15-29. | 
				                                                        
				                                                            
				                                                                | 13. | Luyster FS, Buysse DJ, Strollo PJ, et al. Comorbid insomnia and obstructive sleep apnea:challenges for clinical practice and research[J]. J Clin Sleep Med, 2010, 6(2):196-204. | 
				                                                        
				                                                            
				                                                                | 14. | Neckelmann D, Mykletun A, Dahl AA. Chronic insomnia as a risk factor for developing anxiety and depression[J]. Sleep, 2007, 30(7):873-880. | 
				                                                        
				                                                            
				                                                                | 15. | Krell SB, Kapur VK. Insomnia complaints in patients evaluated for obstructive sleep apnea[J]. Sleep Breath, 2005, 9(3):104-110. |