Herring MP, Monroe DC, Kline CE, O’Connor PJ, MacDonncha C. Sleep quality moderates the association between physical activity frequency and feelings of energy and fatigue in adolescents. Eur Child Adolesc Psychiatry. 2018;27(11):1425–32.
Google Scholar
Daniel LC, Wang M, Mulrooney DA, Srivastava DK, Schwartz LA, Edelstein K, Brinkman TM, Zhou ES, Howell RM, Gibson TM, et al. Sleep, emotional distress, and physical health in survivors of childhood cancer: a report from the Childhood Cancer Survivor Study. Psychooncology. 2019;28(4):903–12.
Google Scholar
Isa Okajima JA, Ikuo Kajiyama M, Ishii H, Murakami M, Yamaguchi. Effects of a tailored brief behavioral therapy application on insomnia severity and social disabilities among workers with insomnia in Japan. JAMA Netw Open. 2020;3(4):e202775.
Udholm N, Fuglsang M, Lundbye-Christensen S, Bille J, Udholm S. Obstructive sleep apnea and risk of suicide and self-harm: a danish nationwide cohort study. Sleep. 2022;45(2):zsab286.
Mamun MA, Hossain MS, Kamruzzaman M et al. Prevalence of poor sleep quality and its determinants among bangladeshi students: a pilot study.: prevalence of poor sleep quality and its determinants among bangladeshi students: a pilot study. Sleep Vigilance. 2020;4:185–193.
Kocevska D, Lysen TS, Dotinga A, Koopman-Verhoeff ME, Luijk M, Antypa N, Biermasz NR, Blokstra A, Brug J, Burk WJ, et al. Sleep characteristics across the lifespan in 1.1 million people from the Netherlands, United Kingdom and United States: a systematic review and meta-analysis. Nat Hum Behav. 2021;5(1):113–22.
Google Scholar
Cao XL, Wang SB, Zhong BL, Zhang L, Ungvari GS, Ng CH, Li L, Chiu HF, Lok GK, Lu JP, et al. The prevalence of insomnia in the general population in China: a meta-analysis. PLoS ONE. 2017;12(2):e0170772.
Google Scholar
Lu L, Wang SB, Rao W, Zhang Q, Ungvari GS, Ng CH, Kou C, Jia FJ, Xiang YT. The prevalence of Sleep Disturbances and Sleep Quality in older chinese adults: a Comprehensive Meta-Analysis. Behav Sleep Med. 2019;17(6):683–97.
Google Scholar
Richter K, Zimni M, Tomova I, Retzer L, Hofig J, Kellner S, Fries C, Bernstein K, Hitzl W, Hillemacher T, et al. Insomnia associated with tinnitus and gender differences. Int J Environ Res Public Health. 2021;18(6):3209.
Zeng LN, Zong QQ, Yang Y, Zhang L, Xiang YF, Ng CH, Chen LG, Xiang YT. Gender difference in the prevalence of Insomnia: a Meta-analysis of Observational Studies. Front Psychiatry. 2020;11:577429.
Google Scholar
Correa JK, Brown TA. Expression of generalized anxiety disorder across the Lifespan. J Psychopathol Behav Assess. 2019;41(1):53–9.
Google Scholar
Etindele-Sosso FA. Insomnia, excessive daytime sleepiness, anxiety, depression and socioeconomic status among customer service employees in Canada. Sleep Sci. 2020;13(1):54–64.
Google Scholar
van de Straat V, Bracke P. How well does Europe sleep? A cross-national study of sleep problems in european older adults. Int J Public Health. 2015;60(6):643–50.
Google Scholar
Uehli K, Mehta AJ, Miedinger D, Hug K, Schindler C, Holsboer-Trachsler E, Leuppi JD, Künzli N. Sleep problems and work injuries: a systematic review and meta-analysis. Sleep Med Rev. 2014;18(1):61–73.
Google Scholar
Arber S, Bote M, Meadows R. Gender and socio-economic patterning of self-reported sleep problems in Britain. Soc Sci Med. 2009;68(2):281–9.
Google Scholar
Leblanc MF, Desjardins S, Desgagné A. Sleep problems in anxious and depressive older adults. Psychol Res Behav Manag. 2015;8:161–9.
Google Scholar
Potvin O, Lorrain D, Belleville G, Grenier S, Préville M. Subjective sleep characteristics associated with anxiety and depression in older adults: a population-based study. Int J Geriatr Psychiatry. 2014;29(12):1262–70.
Google Scholar
Zitting KM, Münch MY, Cain SW, Wang W, Wong A, Ronda JM, Aeschbach D, Czeisler CA, Duffy JF. Young adults are more vulnerable to chronic sleep deficiency and recurrent circadian disruption than older adults. Sci Rep. 2018;8(1):11052.
Google Scholar
Belanger L, Harvey AG, Fortier-Brochu E, Beaulieu-Bonneau S, Eidelman P, Talbot L, Ivers H, Hein K, Lamy M, Soehner AM, et al. Impact of comorbid anxiety and depressive disorders on treatment response to cognitive behavior therapy for insomnia. J Consult Clin Psychol. 2016;84(8):659–67.
Google Scholar
Soehner AM, Harvey AG. Prevalence and functional consequences of severe insomnia symptoms in mood and anxiety disorders: results from a nationally representative sample. Sleep. 2012;35(10):1367–75.
Google Scholar
Oh CM, Kim HY, Na HK, Cho KH, Chu MK. The effect of anxiety and depression on Sleep Quality of individuals with high risk for Insomnia: a Population-Based study. Front Neurol. 2019;10:849.
Google Scholar
Ebben MR, Spielman AJ. Non-pharmacological treatments for insomnia. J Behav Med. 2009;32(3):244–54.
Google Scholar
Perlis M. Colin PJSGC.A.Espie: models of insomnia. principles and practice of sleep medicine. 5th ed. 2011:850–865.
Morin CM, Hauri PJ, Espie CA, Spielman AJ, Buysse DJ, Bootzin RR. Nonpharmacologic treatment of chronic insomnia. An American Academy of Sleep Medicine review. Sleep. 1999;22(8):1134–56.
Google Scholar
Borbely AA. A two process model of sleep regulation. Hum Neurobiol. 1982;1(3):195–204.
Google Scholar
Riemann D, Spiegelhalder K, Feige B, Voderholzer U, Berger M, Perlis M, Nissen C. The hyperarousal model of insomnia: a review of the concept and its evidence. Sleep Med Rev. 2010;14(1):19–31.
Google Scholar
Ruiz AJ, Rondon Sepulveda MA, Panqueva Centanaro OP, Waich A, Ruiz J, Uriza Carrasco LF, Ospina Garcia JC, Hill CM, Restrepo-Gualteros SM, Mendoza LO, et al. Sleep problems in low income, urban pediatric populations living at different altitudes in Colombia. Sleep Med. 2022;100:64–70.
Google Scholar
Jafarian S, Gorouhi F, Taghva A, Lotfi J. High-altitude sleep disturbance: results of the Groningen Sleep Quality Questionnaire survey. Sleep Med. 2008;9(4):446–9.
Google Scholar
Szymczak RK, Sitek EJ, Slawek JW, Basinski A, Sieminski M, Wieczorek D. Subjective sleep quality alterations at high altitude. Wilderness Environ Med. 2009;20(4):305–10.
Google Scholar
Roach GD, Schmidt WF, Aughey RJ, Bourdon PC, Soria R, Claros JC, Garvican-Lewis LA, Buchheit M, Simpson BM, Hammond K, et al. The sleep of elite athletes at sea level and high altitude: a comparison of sea-level natives and high-altitude natives (ISA3600). Br J Sports Med. 2013;47(Suppl 1):i114–120.
Google Scholar
Liu S, Chow IHI, Lu L, Ren YM, Yang HL, Jian SY, Ng CH, Ungvari GS, Wang F, Xiang YT. Comparison of Sleep Disturbances between older nursing home residents in high- and low-altitude areas. J Geriatr Psychiatry Neurol. 2020;33(6):370–6.
Google Scholar
Sakamoto R, Okumiya K, Norboo T, Tsering N, Yamaguchi T, Nose M, Takeda S, Tsukihara T, Ishikawa M, Nakajima S, et al. Sleep quality among elderly high-altitude dwellers in Ladakh. Psychiatry Res. 2017;249:51–7.
Google Scholar
Bian SZ, Zhang L, Jin J, Zhang JH, Li QN, Yu J, Chen JF, Yu SY, Zhao XH, Qin J, et al. The onset of sleep disturbances and their associations with anxiety after acute high-altitude exposure at 3700 m. Transl Psychiatry. 2019;9(1):175.
Google Scholar
Myers CR. Software systems as complex networks: structure, function, and evolvability of software collaboration graphs. Phys Rev E. 2003;68(4):046116.
Google Scholar
Borsboom D, Cramer AO. Network analysis: an integrative approach to the structure of psychopathology. Annu Rev Clin Psychol. 2013;9:91–121.
Google Scholar
Li W, Zhao N, Yan X, Xu X, Zou S, Wang H, Li Y, Du X, Zhang L, Zhang Q, et al. Network Analysis of Depression, anxiety, posttraumatic stress symptoms, Insomnia, Pain, and fatigue in clinically stable older patients with Psychiatric Disorders during the COVID-19 outbreak. J Geriatr Psychiatry Neurol. 2022;35(2):196–205.
Google Scholar
Epskamp S, Borsboom D, Fried EI. Estimating psychological networks and their accuracy: a tutorial paper. Behav Res Methods. 2018;50(1):195–212.
Google Scholar
Cramer AO, Waldorp LJ, van der Maas HL, Borsboom D. Comorbidity: a network perspective. Behav Brain Sci. Behav Brain Sci. 2010;33(2–3):137–193.
Google Scholar
Spitzer RL, Kroenke K, Williams JB, Lowe B. A brief measure for assessing generalized anxiety disorder: the GAD-7. Arch Intern Med. 2006;166(10):1092–7.
Google Scholar
Williams N. The GAD-7 questionnaire. Occup Med. 2014;64(3):224–4.
Google Scholar
Lin Q, Bonkano O, Wu K, Liu Q, Ali Ibrahim T, Liu L. The value of Chinese Version GAD-7 and PHQ-9 to screen anxiety and depression in chinese outpatients with atypical chest Pain. Ther Clin Risk Manag. 2021;17:423–31.
Google Scholar
Tong X, An D, McGonigal A, Park S-P, Zhou D. Validation of the generalized anxiety Disorder-7 (GAD-7) among chinese people with epilepsy. Epilepsy Res. 2016;120:31–6.
Google Scholar
He X, Li CB, Qian J, Cui HS, Wu W. Reliability and validity of a generalized anxiety disorder scale in general hospital outpatient. Shanghai Archives of Psychiatry. 2010;22(4):200–3.
Buysse DJ, Reynolds CF 3rd, Monk TH, Berman SR, Kupfer DJ. The Pittsburgh Sleep Quality Index: a new instrument for psychiatric practice and research. Psychiatry Res. 1989;28(2):193–213.
Google Scholar
Tsai PS, Wang SY, Wang MY, Su CT, Yang TT, Huang CJ, Fang SC. Psychometric evaluation of the chinese version of the Pittsburgh Sleep Quality Index (CPSQI) in primary insomnia and control subjects. Qual Life Res. 2005;14(8):1943–52.
Google Scholar
Liu XTM. Study on reliability and validity of the Pittsburgh sleep quality index. Chin J Psychiatry. 1996;29(2):103–7.
Matsangas P, Mysliwiec V. The utility of the Pittsburgh Sleep Quality Index in US military personnel. Military Psychol. 2018;30(4):360–9.
Google Scholar
Guo S, Sun W, Liu C, Wu S. Structural validity of the Pittsburgh Sleep Quality Index in Chinese Undergraduate Students. Front Psychol. 2016;7:1126.
Google Scholar
Zhang C, Zhang H, Zhao M, Li Z, Cook CE, Buysse DJ, Zhao Y, Yao Y. Reliability, validity, and factor structure of Pittsburgh Sleep Quality Index in Community-Based Centenarians. Front Psychiatry. 2020;11:573530.
Google Scholar
Speed TP, Kiiveri HT. Gaussian Markov Distributions over Finite Graphs. The Annals of Statistics. 1986;14(1):138–50.
Google Scholar
Foygel R, Drton M. Extended bayesian information criteria for gaussian graphical models. Adv Neural Inf Process Syst. 2010; 23.
Beard C, Millner AJ, Forgeard MJ, Fried EI, Hsu KJ, Treadway MT, Leonard CV, Kertz SJ, Bjorgvinsson T. Network analysis of depression and anxiety symptom relationships in a psychiatric sample. Psychol Med. 2016;46(16):3359–69.
Google Scholar
Chernick MR. Bootstrap methods: a guide for practitioners and researchers. John Wiley & Sons; 2011.
Christensen AP, Golino H. Estimating the stability of the number of factors via Bootstrap Exploratory Graph Analysis: A tutorial. PsyArXiv 2019, 19.
Package. ‘NetworkComparisonTest’ [https://cran.r-project.org/web/packages/NetworkComparisonTest/index.html]
van Borkulo CD, van Bork R, Boschloo L, Kossakowski JJ, Tio P, Schoevers RA, Borsboom D, Waldorp LJ. Comparing network structures on three aspects: a permutation test. Psychol Methods. 2022.
Kabel AM, Al Thumali AM, Aldowiala KA, Habib RD, Aljuaid SS, Alharthi HA. Sleep disorders in adolescents and young adults: insights into types, relationship to obesity and high altitude and possible lines of management. Diabetes & Metabolic Syndrome: Clinical Research & Reviews. 2018;12(5):777–81.
Google Scholar
Taylor AT. High-altitude illnesses: physiology, risk factors, prevention, and treatment. Rambam Maimonides Med J. 2011;2(1):e0022.
Google Scholar
Hungin APS, Close H. Sleep disturbances and health problems: sleep matters. In., vol. 60: British Journal of General Practice; 2010: 319–320.
Bai W, Zhao YJ, Cai H, Sha S, Zhang Q, Lei SM, Lok GKI, Chow IHI, Cheung T, Su Z, et al. Network analysis of depression, anxiety, insomnia and quality of life among Macau residents during the COVID-19 pandemic. J Affect Disord. 2022;311:181–8.
Google Scholar
Tao Y, Hou W, Niu H, Ma Z, Zhang S, Zhang L, Liu X. Centrality and bridge symptoms of anxiety, depression, and sleep disturbance among college students during the COVID-19 pandemic-a network analysis. Curr Psychol. 2022:1–12.
Young SN. Elevated incidence of suicide in people living at altitude, smokers and patients with chronic obstructive pulmonary disease and asthma: possible role of hypoxia causing decreased serotonin synthesis. J Psychiatry Neurosci. 2013;38(6):423–6.
Google Scholar
Fagenholz PJ, Murray AF, Gutman JA, Findley JK, Harris NS. New-onset anxiety disorders at high altitude. Wilderness Environ Med. 2007;18(4):312–6.
Google Scholar
Kious BM, Kondo DG, Renshaw PF. Living high and feeling low: Altitude, suicide, and Depression. Harv Rev Psychiatry. 2018;26(2):43–56.
Google Scholar
Kumar GK. Hypoxia. 3. Hypoxia and neurotransmitter synthesis. Am J Physiol Cell Physiol. 2011;300(4):C743–751.
Google Scholar
Kious BM, Bakian A, Zhao J, Mickey B, Guille C, Renshaw P, Sen S. Altitude and risk of depression and anxiety: findings from the intern health study. Int Rev Psychiatry. 2019;31(7–8):637–45.
Google Scholar
Zhang L, Tao Y, Hou W, Niu H, Ma Z, Zheng Z, Wang S, Zhang S, Lv Y, Li Q, et al. Seeking bridge symptoms of anxiety, depression, and sleep disturbance among the elderly during the lockdown of the COVID-19 pandemic-A network approach. Front Psychiatry. 2022;13:919251.
Google Scholar
Hertenstein E, Feige B, Gmeiner T, Kienzler C, Spiegelhalder K, Johann A, Jansson-Fröjmark M, Palagini L, Rücker G, Riemann D, et al. Insomnia as a predictor of mental disorders: a systematic review and meta-analysis. Sleep Med Rev. 2019;43:96–105.
Google Scholar
Hombali A, Seow E, Yuan Q, Chang SHS, Satghare P, Kumar S, Verma SK, Mok YM, Chong SA, Subramaniam M. Prevalence and correlates of sleep disorder symptoms in psychiatric disorders. Psychiatry Res. 2019;279:116–22.
Google Scholar
Cai H, Bai W, Liu H, Chen X, Qi H, Liu R, Cheung T, Su Z, Lin J, Tang YL, et al. Network analysis of depressive and anxiety symptoms in adolescents during the later stage of the COVID-19 pandemic. Transl Psychiatry. 2022;12(1):98.
Google Scholar
Oakes DJ, Pearce HA, Roberts C, Gehrman PG, Lewis C, Jones I, Lewis KJS. Associations between comorbid anxiety and sleep disturbance in people with bipolar disorder: findings from actigraphy and subjective sleep measures. J Affect Disord. 2022;309:165–71.
Google Scholar
Cox RC, Olatunji BO. Sleep in the anxiety-related disorders: a meta-analysis of subjective and objective research. Sleep Med Rev. 2020;51:101282.
Google Scholar
Cheng YC, Kuo PH, Su MI, Huang WL. The efficacy of non-invasive, non-convulsive electrical neuromodulation on depression, anxiety and sleep disturbance: a systematic review and meta-analysis. Psychol Med. 2022; 52(5):801–812.
Generoso MB, Taiar IT, Garrocini LP, Bernardon R, Cordeiro Q, Uchida RR, Shiozawa P. Effect of a 10-day transcutaneous trigeminal nerve stimulation (TNS) protocol for depression amelioration: a randomized, double blind, and sham-controlled phase II clinical trial. Epilepsy Behav. 2019;95:39–42.
Google Scholar
Guleyupoglu B, Schestatsky P, Edwards D, Fregni F, Bikson M. Classification of methods in transcranial electrical stimulation (tES) and evolving strategy from historical approaches to contemporary innovations. J Neurosci Methods. 2013;219(2):297–311.
Google Scholar
Begum N, Hunold H, Gerdes B, Keck T, Waldmann A. Anxiety, Depression and Quality of Life in patients with neuroendocrine neoplasia after surgery. World J Surg. 2022;46(6):1408–19.
Google Scholar
Pasieka JL, Longman RS, Chambers AJ, Rorstad O, Rach-Longman K, Dixon E. Cognitive impairment associated with carcinoid syndrome. Ann Surg. 2014;259(2):355–9.
Google Scholar
Palagini L, Hertenstein E, Riemann D, Nissen C. Sleep, insomnia and mental health. J Sleep Res. 2022;31(4):e13628.
Google Scholar
McInerney AM, Lindekilde N, Nouwen A, Schmitz N, Deschenes SS. Diabetes distress, depressive symptoms, and anxiety symptoms in people with type 2 diabetes: A Network Analysis Approach to understanding Comorbidity. Diabetes Care. 2022;45(8):1715–23.
Google Scholar
Cox RC, Olatunji BO. A systematic review of sleep disturbance in anxiety and related disorders. J Anxiety Disord. 2016;37:104–29.
Google Scholar
Del Rio Joao KA, de Jesus SN, Carmo C, Pinto P. Sleep quality components and mental health: study with a non-clinical population. Psychiatry Res. 2018;269:244–50.
Google Scholar
Kim S, Kim Y, Lim SS, Ryoo JH, Yoon JH. Long commute time and sleep problems with gender difference in work-life balance: a cross-sectional study of more than 25,000 workers. Saf Health Work. 2019;10(4):470–5.
Google Scholar
Min Y, Nadpara PA, Slattum PW. The association between sleep problems, sleep medication use, and falls in community-dwelling older adults: results from the health and retirement study 2010. J Aging Res. 2016; 2016:3685789.
Bjelland I, Krokstad S, Mykletun A, Dahl AA, Tell GS, Tambs K. Does a higher educational level protect against anxiety and depression? The HUNT study. Soc Sci Med. 2008;66(6):1334–45.
Google Scholar
Chazelle E, Lemogne C, Morgan K, Kelleher CC, Chastang JF, Niedhammer I. Explanations of educational differences in major depression and generalised anxiety disorder in the irish population. J Affect Disord. 2011;134(1–3):304–14.
Google Scholar
Zheng W, Luo XN, Li HY, Ke XY, Dai Q, Zhang CJ, Cassidy RM, Zhang XY, Ning YP. Gender differences in the prevalence and clinical correlates of sleep disturbance in general hospital outpatients. Psychiatry Res. 2018;269:134–9.
Google Scholar