Search Volume of Insomnia and Suicide as Digital Footprints of Global Mental Health During the COVID-19 Pandemic: 3-Year Infodemiology Study

Sheng-Hsuan Lin   ^{1, 2, 3, 4} , MD, ScD, ScM ;   Kuan-Pin Su   ^{5, 6, 7} , MD, PhD ;   Hsiao-Hui Tsou   ⁸ , PhD ;   Pei-Hsuan Hsia   ¹ , MS ;   Yu-Hsuan Lin   ^{8, 9, 10, 11} , MD, PhD

¹ Institute of Statistics, National Yang Ming Chiao Tung University, Hsinchu, Taiwan

² Institute of Data Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu, Taiwan

³ Institute of Applied Mathematics, National Dong Hwa University, Hualien, Taiwan

⁴ Institute of Biochemical and Molecular Medical Sciences, National Dong Hwa University, Hualien, Taiwan

⁵ An-Nan Hospital, China Medical University, Tainan, Taiwan

⁶ College of Medicine, China Medical University, Taichung, Taiwan

⁷ Mind-Body Interface Research Center (MBI-Lab), China Medical University Hospital, Taichung, Taiwan

⁸ Institute of Population Health Sciences, National Health Research Institutes, Miaoli County, Taiwan

⁹ Department of Psychiatry, College of Medicine, National Taiwan University, Taipe, Taiwan

¹⁰ Department of Biomedical Sciences and Engineering, National Central University, Taoyuan, Taiwan

¹¹ Department of Psychiatry, National Taiwan University Hospital, Taipei, Taiwan