| 1 | 
																						 
											 Resende CM, Alves AC, Coelho LT, et al. Quality of life and general health in patients with temporomandibular disorders[J]. Braz Oral Res, 2013, 27(2): 116-121.
											 											 | 
										
																													
																						| 2 | 
																						 
											 Valesan LF, Da-Cas CD, Réus JC, et al. Prevalence of temporomandibular joint disorders: a systematic review and meta-analysis[J]. Clin Oral Investig, 2021, 25(2): 441-453.
											 											 | 
										
																													
																						| 3 | 
																						 
											 Chisnoiu AM, Picos AM, Popa S, et al. Factors involved in the etiology of temporomandibular disorders—A literature review[J]. Clujul Med, 2015, 88(4): 473-478.
											 											 | 
										
																													
																						| 4 | 
																						 
											 Sójka A, Huber J, Hędzelek W, et al. Relations between the results of complex clinical and neurophysiological examinations in patients with temporomandibular disorders symptoms[J]. Cranio, 2018, 36(1): 44-52.
											 											 | 
										
																													
																						| 5 | 
																						 
											 Rener-Sitar K, Celebić A, Mehulić K, et al. Factors rela-ted to oral health related quality of life in TMD patients[J]. Coll Antropol, 2013, 37(2): 407-413.
											 											 | 
										
																													
																						| 6 | 
																						 
											 Bair MJ, Wu J, Damush TM, et al. Association of depression and anxiety alone and in combination with chronic musculoskeletal pain in primary care patients[J]. Psychosom Med, 2008, 70(8): 890-897.
											 											 | 
										
																													
																						| 7 | 
																						 
											 Sójka A, Stelcer B, Roy M, et al. Is there a relationship between psychological factors and TMD[J]. Brain Behav, 2019, 9(9): e01360.
											 											 | 
										
																													
																						| 8 | 
																						 
											 Dibello V, Panza F, Mori G, et al. Temporomandibular disorders as a risk factor for suicidal behavior: a systematic review[J]. J Pers Med, 2022, 12(11): 1782.
											 											 | 
										
																													
																						| 9 | 
																						 
											 Andrade L, Caraveo-Anduaga JJ, Berglund P, et al. The epidemiology of major depressive episodes: results from the International Consortium of Psychiatric Epidemio-logy (ICPE) Surveys[J]. Int J Methods Psychiatr Res, 2003, 12(1): 3-21.
											 											 | 
										
																													
																						| 10 | 
																						 
											 Andreescu C, Lee S. Anxiety disorders in the elderly[J]. Adv Exp Med Biol, 2020, 1191: 561-576.
											 											 | 
										
																													
																						| 11 | 
																						 
											 Rehm J, Shield KD. Global burden of disease and the impact of mental and addictive disorders[J]. Curr Psychiatry Rep, 2019, 21(2): 10.
											 											 | 
										
																													
																						| 12 | 
																						 
											 Franzen PL, Buysse DJ. Sleep disturbances and depression: risk relationships for subsequent depression and therapeutic implications[J]. Dialogues Clin Neurosci, 2008, 10(4): 473-481.
											 											 | 
										
																													
																						| 13 | 
																						 
											 Manber R, Chambers AS. Insomnia and depression: a multifaceted interplay[J]. Curr Psychiatry Rep, 2009, 11(6): 437-442.
											 											 | 
										
																													
																						| 14 | 
																						 
											 Staner L. Comorbidity of insomnia and depression[J]. Sleep Med Rev, 2010, 14(1): 35-46.
											 											 | 
										
																													
																						| 15 | 
																						 
											 Lowe H, Haddock G, Mulligan LD, et al. Does exercise improve sleep for adults with insomnia? A systematic review with quality appraisal[J]. Clin Psychol Rev, 2019, 68: 1-12.
											 											 | 
										
																													
																						| 16 | 
																						 
											 Bolge SC, Doan JF, Kannan H, et al. Association of insomnia with quality of life, work productivity, and activity impairment[J]. Qual Life Res, 2009, 18(4): 415-422.
											 											 | 
										
																													
																						| 17 | 
																						 
											 Smith MT, Wickwire EM, Grace EG, et al. Sleep disorders and their association with laboratory pain sensitivity in temporomandibular joint disorder[J]. Sleep, 2009, 32(6): 779-790.
											 											 | 
										
																													
																						| 18 | 
																						 
											 Haack M, Simpson N, Sethna N, et al. Sleep deficien-cy and chronic pain: potential underlying mechanisms and clinical implications[J]. Neuropsychopharmacology, 2020, 45(1): 205-216.
											 											 | 
										
																													
																						| 19 | 
																						 
											 Herrero Babiloni A, De Koninck BP, Beetz G, et al. Sleep and pain: recent insights, mechanisms, and future directions in the investigation of this relationship[J]. J Neural Transm (Vienna), 2020, 127(4): 647-660.
											 											 | 
										
																													
																						| 20 | 
																						 
											 Finan PH, Goodin BR, Smith MT. The association of sleep and pain: an update and a path forward[J]. J Pain, 2013, 14(12): 1539-1552.
											 											 | 
										
																													
																						| 21 | 
																						 
											 Smith MT, Quartana PJ, Okonkwo RM, et al. Mechanisms by which sleep disturbance contributes to osteoarthritis pain: a conceptual model[J]. Curr Pain Headache Rep, 2009, 13(6): 447-454.
											 											 | 
										
																													
																						| 22 | 
																						 
											 Sánchez Romero EA, Martínez-Pozas O, García-Gonzá- lez M, et al. Association between sleep disorders and sleep quality in patients with temporomandibular joint osteoarthritis: a systematic review[J]. Biomedicines, 2022, 10(9): 2143.
											 											 | 
										
																													
																						| 23 | 
																						 
											 Burgess S, Labrecque JA. Mendelian randomization with a binary exposure variable: interpretation and presentation of causal estimates[J]. Eur J Epidemiol, 2018, 33(10): 947-952.
											 											 | 
										
																													
																						| 24 | 
																						 
											 Botelho J, Machado V, Mendes JJ, et al. Causal association between periodontitis and Parkinson’s disease: a bidirectional mendelian randomization study[J]. Genes (Basel), 2021, 12(5): 772.
											 											 | 
										
																													
																						| 25 | 
																						 
											 Ding M, Zhang Z, Chen Z, et al. Association between periodontitis and breast cancer: two-sample Mendelian randomization study[J]. Clin Oral Investig, 2023, 27(6): 2843-2849.
											 											 | 
										
																													
																						| 26 | 
																						 
											 Li P, Wang H, Guo L, et al. Association between gut microbiota and preeclampsia-eclampsia: a two-sample Mendelian randomization study[J]. BMC Med, 2022, 20(1): 443.
											 											 | 
										
																													
																						| 27 | 
																						 
											 Chen Y, Shen J, Wu Y, et al. Tea consumption and risk of lower respiratory tract infections: a two-sample mendelian randomization study[J]. Eur J Nutr, 2023, 62(1): 385-393.
											 											 | 
										
																													
																						| 28 | 
																						 
											 Burgess S, Thompson SG. Avoiding bias from weak instruments in Mendelian randomization studies[J]. Int J Epidemiol, 2011, 40(3): 755-764.
											 											 | 
										
																													
																						| 29 | 
																						 
											 Kamat MA, Blackshaw JA, Young R, et al. PhenoScanner V2: an expanded tool for searching human genotype-phenotype associations[J]. Bioinformatics, 2019, 35(22): 4851-4853.
											 											 | 
										
																													
																						| 30 | 
																						 
											 Burgess S, Dudbridge F, Thompson SG. Combining information on multiple instrumental variables in Mendelian randomization: comparison of allele score and summarized data methods[J]. Stat Med, 2016, 35(11): 1880-1906.
											 											 | 
										
																													
																						| 31 | 
																						 
											 Bowden J, Davey Smith G, Burgess S. Mendelian randomization with invalid instruments: effect estimation and bias detection through Egger regression[J]. Int J Epidemiol, 2015, 44(2): 512-525.
											 											 | 
										
																													
																						| 32 | 
																						 
											 Hemani G, Zheng J, Elsworth B, et al. The MR-Base platform supports systematic causal inference across the human phenome[J]. Elife, 2018, 7: e34408.
											 											 | 
										
																													
																						| 33 | 
																						 
											 Yang M, Yu H, Xu K, et al. No evidence of a genetic causal relationship between ankylosing spondylitis and iron homeostasis: a two-sample Mendelian randomization study[J]. Front Nutr, 2023, 10: 1047640.
											 											 | 
										
																													
																						| 34 | 
																						 
											 Lee YH. Causal association between smoking behavior and the decreased risk of osteoarthritis: a Mendelian randomization[J]. Z Rheumatol, 2019, 78(5): 461-466.
											 											 | 
										
																													
																						| 35 | 
																						 
											 Finan PH, Garland EL. The role of positive affect in pain and its treatment[J]. Clin J Pain, 2015, 31(2): 177-187.
											 											 | 
										
																													
																						| 36 | 
																						 
											 Zautra AJ, Johnson LM, Davis MC. Positive affect as a source of resilience for women in chronic pain[J]. J Consult Clin Psychol, 2005, 73(2): 212-220.
											 											 | 
										
																													
																						| 37 | 
																						 
											 Litt MD, Shafer D, Napolitano C. Momentary mood and coping processes in TMD pain[J]. Health Psychol, 2004, 23(4): 354-362.
											 											 | 
										
																													
																						| 38 | 
																						 
											 Sturgeon JA, Arewasikporn A, Okun MA, et al. The psychosocial context of financial stress: implications for inflammation and psychological health[J]. Psychosom Med, 2016, 78(2): 134-143.
											 											 | 
										
																													
																						| 39 | 
																						 
											 Stellar JE, John-Henderson N, Anderson CL, et al. Positive affect and markers of inflammation: discrete positive emotions predict lower levels of inflammatory cytokines[J]. Emotion, 2015, 15(2): 129-133.
											 											 | 
										
																													
																						| 40 | 
																						 
											 Steptoe A, O’Donnell K, Badrick E, et al. Neuroendocrine and inflammatory factors associated with positive affect in healthy men and women: the WhitehallⅡstudy[J]. Am J Epidemiol, 2008, 167(1): 96-102.
											 											 | 
										
																													
																						| 41 | 
																						 
											 Prather AA, Marsland AL, Muldoon MF, et al. Positi-ve affective style covaries with stimulated IL-6 and IL-10 production in a middle-aged community sample[J]. Brain Behav Immun, 2007, 21(8): 1033-1037.
											 											 | 
										
																													
																						| 42 | 
																						 
											 Slavish DC, Jones DR, Smyth JM, et al. Positive and negative affect and salivary markers of inflammation among young adults[J]. Int J Behav Med, 2020, 27(3): 282-293.
											 											 | 
										
																													
																						| 43 | 
																						 
											 Rener-Sitar K, John MT, Pusalavidyasagar SS, et al. Sleep quality in temporomandibular disorder cases[J]. Sleep Med, 2016, 25: 105-112.
											 											 | 
										
																													
																						| 44 | 
																						 
											 Irwin MR. Why sleep is important for health: a psychoneuroimmunology perspective[J]. Annu Rev Psychol, 2015, 66: 143-172.
											 											 | 
										
																													
																						| 45 | 
																						 
											 Chinthakanan S, Laosuwan K, Boonyawong P, et al. Reduced heart rate variability and increased saliva cortisol in patients with TMD[J]. Arch Oral Biol, 2018, 90: 125-129.
											 											 | 
										
																													
																						| 46 | 
																						 
											 Duarte J, Pinto-Gouveia J. Positive affect and parasympathetic activity: evidence for a quadratic relationship between feeling safe and content and heart rate variability[J]. Psychiatry Res, 2017, 257: 284-289.
											 											 | 
										
																													
																						| 47 | 
																						 
											 Fredrickson BL, Mancuso RA, Branigan C, et al. The un-doing effect of positive emotions[J]. Motiv Emot, 2000, 24(4): 237-258.
											 											 | 
										
																													
																						| 48 | 
																						 
											 Waldburger JM, Firestein GS. Regulation of peripheral inflammation by the central nervous system[J]. Curr Rheumatol Rep, 2010, 12(5): 370-378.
											 											 | 
										
																													
																						| 49 | 
																						 
											 Hunt CA, Mun CJ, Owens MA, et al. Sleep, positive affect, and circulating interleukin-6 in women with tempo-romandibular joint disorder[J]. Psychosom Med, 2022, 84(3): 383-392.
											 											 | 
										
																													
																						| 50 | 
																						 
											 Farré-Guasch E, Aliberas JT, Spada NF, et al. The role of inflammatory markers in temporomandibular myalgia: a systematic review[J]. Jpn Dent Sci Rev, 2023, 59: 281-288.
											 											 | 
										
																													
																						| 51 | 
																						 
											 Akkaoui MA, Palagini L, Geoffroy PA. Sleep immune cross talk and insomnia[J]. Adv Exp Med Biol, 2023, 1411: 263-273.
											 											 | 
										
																													
																						| 52 | 
																						 
											 Buenaver LF, Quartana PJ, Grace EG, et al. Evidence for indirect effects of pain catastrophizing on clinical pain among myofascial temporomandibular disorder participants: the mediating role of sleep disturbance[J]. Pain, 2012, 153(6): 1159-1166.
											 											 | 
										
																													
																						| 53 | 
																						 
											 Lautenbacher S. Pain, sleeping problems and their many relatives[J]. Pain, 2012, 153(6): 1138.
											 											 | 
										
																													
																						| 54 | 
																						 
											 Sommer I, Lavigne G, Ettlin DA. Review of self-repor-ted instruments that measure sleep dysfunction in patients suffering from temporomandibular disorders and/or orofacial pain[J]. Sleep Med, 2015, 16(1): 27-38.
											 											 | 
										
																													
																						| 55 | 
																						 
											 Cardinali DP, Srinivasan V, Brzezinski A, et al. Melatonin and its analogs in insomnia and depression[J]. J Pineal Res, 2012, 52(4): 365-375.
											 											 | 
										
																													
																						| 56 | 
																						 
											 Vidor LP, Torres IL, Custódio de Souza IC, et al. Analgesic and sedative effects of melatonin in temporoman-dibular disorders: a double-blind, randomized, parallel-group, placebo-controlled study[J]. J Pain Symptom Ma-nage, 2013, 46(3): 422-432.
											 											 | 
										
																													
																						| 57 | 
																						 
											 Kim SJ, Park SM, Cho HJ, et al. The relationship between primary sleep disorders and temporomandibular disorders: an 8-year nationwide cohort study in south Korea[J]. Int J Gen Med, 2021, 14: 7121-7131.
											 											 |