1. Abd Allah, E.S., Abdel-Aziz, H.R., & El-Seoud, A.R. (2014). Insomnia: Prevalence, risk factors, and its effect on quality of life among elderly in Zagazig City, Egypt. Journal of Nursing Education and Practice, 4 (8), 52–69. doi:10.5430/jnep.v4n8p52.
2. Australian College of Nursing (2020). The role of nurses in promoting healthy aging. https:
3. www.acn.au.
4. Babatsikou, F., Konsolaki, E., Notara, V., Kouri, M., Zygam S., & Kouti, C. (2017). Depression
5. in the elderly: a descriptive study of urban and semi-urban Greek population. International Journal of