1. Li Chiu Kong Family Sleep Assessment Unit, Department of Psychiatry, Faculty of Medicine The Chinese University of Hong Kong Hong Kong China
2. Guangdong Mental Health Center, Guangdong Provincial People's Hospital Guangdong Academy of Medical Sciences Guangzhou China
3. The Second School of Clinical Medicine Southern Medical University Guangzhou China
4. School of Biomedical Sciences, Department of Psychiatry, KIZ‐CUHK Joint Laboratory of Bioresources and Molecular Research of Common Diseases, Cheung Research Centre for Management of Parkinsonism, Faculty of Medicine The Chinese University of Hong Kong Hong Kong China
5. Institute and Department of Endocrinology and Metabolism, Shanghai Ninth People's Hospital Shanghai JiaoTong University School of Medicine Shanghai China
6. Department of Neuroscience Uppsala University Uppsala Sweden
7. Department of Clinical Neuroscience Karolinska Institutet Stockholm Sweden