Published on in Vol 22, No 7 (2020): July
![Relationships Between the Usage of Televisions, Computers, and Mobile Phones and the Quality of Sleep in a Chinese Population: Community-Based Cross-Sectional Study Relationships Between the Usage of Televisions, Computers, and Mobile Phones and the Quality of Sleep in a Chinese Population: Community-Based Cross-Sectional Study](https://asset.jmir.pub/assets/aa5f29bb9e45e2e217337e41745abe69.png 480w,https://asset.jmir.pub/assets/aa5f29bb9e45e2e217337e41745abe69.png 960w,https://asset.jmir.pub/assets/aa5f29bb9e45e2e217337e41745abe69.png 1920w,https://asset.jmir.pub/assets/aa5f29bb9e45e2e217337e41745abe69.png 2500w)
1 School of Nursing, The Hong Kong Polytechnic University, Hong Kong, China (Hong Kong)
2 Centre for Gerontological Nursing, School of Nursing, The Hong Kong Polytechnic University, Hong Kong, China (Hong Kong)
3 School of Health Sciences and Sports, Macao Polytechnic Institute, Macau, Macao
4 World Health Organization Collaborating Centre for Community Health Services, School of Nursing, The Hong Kong Polytechnic University, Hong Kong, China (Hong Kong)
5 Kiang Wu Nursing College of Macau, Macau, Macao