1. Ahrberg, K., Dresler, M., Niedermaier, S., Steiger A., & Genzel, L. (2012). The Interaction between Sleep Quality and Academic Performance. Journal of Psychiatric Research, 46(12) 1618-1622.
2. Alotaibi, A. D., Alosaimi, F. M., Alajlan, A. A., & Abdulrahman, K. A. B. (2020). The Relationship between Sleep Quality, Stress, and Academic Performance Among Medical Students. Journal of Family & Community Medicine, 27(1), 23.
3. Alsofyani, M. A., Almalki, A. A., Alqarni, A. B., & Alzahrani, N. J. (2018). The interaction between sleep quality and academic performance among the medical students in Taif University. The Egyptian Journal od Hospital Medicine, 70(12), 2202-2208.
4. Aminuddin, M. (2020). Hubungan antara Kualitas Tidur dengan Prestasi Belajar Mahasiswa Akademi Keperawatan Pemprov Kaltim Samarinda. Jurnal Kesehatan Pasak Bumi Kalimantan, 1(1), 51-71.
5. Al-Zahrani, J. M., Aldossari, K. K., Abdulmajeed, I., Al-Ghamdi, S. H., Al-Shamrani A. M., & Al-Qahtani N. S. (2016). Daytime Sleepiness and Academic Performance Among Medical Students. Health Science Journal, 10(3), 1.
6. Balan, R., & Soon Singh, B. S., Mohammad Rahim, K., Azizi, Y., Mohd Azrin, M. N., Fauziah, I. & Zaizul, R. (2021). Smartphone Addiction and Sleep Quality on Academic Performance of University Students: An Exploratory Research. International Journal of Environmental Research and Public Health, 1-12. Diakses daripada: http://dx.doi.org/10.3390/ijerph18168291
7. Brown, F. C., Buboltz Jr. W. C., & Soper, B. (2002). Relationship of Sleep Hygiene Awareness, Sleep Hygiene Practices, and Sleep Quality in University Students. Behavioral Medicine, 28(1), 33-38.
8. Buysse, D. J., Reynolds III, C. F., Monk, T. H., Berman, S. R., & Kupfer, D. J. (1989). The Pittsburgh Sleep Quality Index: A New Instrument for Psychiatric Practice and Research. Psychiatry Research, 28(2), 193-213.
9. Casagrande, M., Forte, G., Tambelli, R., & Favieri, F. (2021). The Coronavirus Pandemic: A Possible Model of the Direct and Indirect Impact of the Pandemic on Sleep Quality in Italians. Nature and Science of Sleep, 13, 191.
10. Chepesiuk, R. (2009). Missing the Dark: Health Effects of Light Pollution. Environmental Health Perspectives, 117(1), A20-A27. Retrieved from https://doi.org/10.1289/ehp.117-a20
11. Curcio, G., Ferrara, M., & De Gennaro, L. (2016). Sleep Loss, Learning Capacity and Academic Performance. Sleep Medicine Reviews, 10(5), 323-337.
12. Fazio, N. M. & Palm, L. J. (1998). Attributional Style, Depression and Grade Point Average of College Students. Psychological Reports, 83(1), 159-162.
13. Guyton, A. C. & Hall, J. E. (2006). Textbook of Medical Physiology. 11th. edition. Elsevier Saunders, Philadelphia.
14. Hair, J. F., Anderson, R. E., Tatham, R.L. & Black, W. C. (1992). Multivariate Analysis of Variance. Multivariate Data Analysis, 326-386. Diakses daripada: https://www.scirp.org/reference/referencespapers?referenceid=3297740
15. Hawkins, J. & Shaw, P. (1992). Self-Reported Sleep Quality in College Students: A Repeated Measures Approach. Sleep, 15(6), 545-549.
16. Krejcie, R. V. & Morgan, D. W. (1970). Determining Sample Size for Research Activities. Educational and Psychological Measurement, 30(3), 607-610.
17. Lai, P. P. & Say, Y. H. (2013). Associated Factors of Sleep Quality and Behavior Among Students of Two Tertiary Institutions in Northern Malaysia. The Medical Journal of Malaysia, 68(3), 195-203.
18. Medeiros, A. L., Mendes, D. B., Lima, P. F., & Araujo, J. F. (2001). The Relationships between Sleep-Wake Cycle and Academic Performance in Medical Students. Biological Rhythm Research, 32(2), 263-270.
19. Mohamad Najib, A. G. (1999). Penyelidikan Pendidikan. Johor Bahru: Penerbit Universiti Teknologi Malaysia.
20. Mushtaq, L. & Khan, S. N. (2012). Factors Affecting Students’ Academic Performance. Global Journal of Management and Business Research, 12(9).
21. Nahiyah, M., Ismarulyusda I., Syarif, H. L., Zakiah, M. N., Baharudin, O. & Fadzil, M. H. (2011). Sleeping Hours and Academic Achievements: A Study Among Biomedical Science Students. Procedia-Social and Behavioral Sciences, 18, 617-621.
22. Nurismadiana, I. & Lee, K. (2018). Factors Associated with Sleep Quality among Undergraduate Students at a Malaysian Public University. International Journal of Public Health and Clinical Sciences, 5(6), 373-391. Diakses daripada: https://doi.org/10.32827/ijphcs.5.6.332
23. Nurul Husna M. N. & Abdul Rahim, Z. (2015). Stres dalam Kalangan Mahasiswa Institusi Pengajian Tinggi Islam di Malaysia. Retrived from https://www.researchgate.net/publication/310812883_Stres_dalam_kalangan_Mahasiswa_Institusi_Pengajian_Tinggi_Islam_di_Malaysia
24. Pilcher, J. J. & Huffcutt, A. I. (1996). Effects of sleep deprivation on performance: A Meta-Analysis. Sleep, 19(4), 318-326. Retrieved from https://doi.org/10.1093/sleep/19.4.318
25. Pilcher, J. J., Ginter, D. R. & Sadowsky, B. (1997). Sleep Quality Versus Sleep Quantity: Relationships between Sleep and Measures of Health, Well-Being and Sleepiness in College Students. Journal of Psychosomatic Research, 42(6), 583-596.
26. Potter, P. A. & Perry, A. G. (2005). Buku Ajar Fundamental Keperawatan: Konsep, Proses, dan Praktik. Ed. 4, Vol. 1, Alih Bahasa, Asih, Y., dkk. EGC, Jakarta.
27. Potter, P. A., Perry, A. G., Hall, A., & Stockert, P. A. (2017). Fundamentals of Nursing. 9th. edition. St. Louis, Mo.: Mosby Elsevier.
28. Safaringga, E. & Herpandika, R. P. (2018). Hubungan antara Kebugaran Jasmani dengan Kualitas Tidur. Sportif, 4(2), 235-247.
29. Schroeder, J. (2019, Oktober, 15). Tabiat Tidur ini akan Menuju Tahap Lebih Baik, Hasil Kajian MIT. The University Network. Diakses daripada: https://ms.tun.com/blog/kebiasaan-tidur-ini-akan-membawa-kepada-penilaian-yang-lebih-baik-dengan-penemuan-kajian/
30. Shim, E. J., Noh. H. L., Yoon, J., Mun, H. S., & Hahm, B. J. (2019). A Longitudinal Analysis of the Relationships among Daytime Dysfunction, Fatigue, and Depression in College Students. Journal of American College Health, 67(1), 51-58.
31. Syanum, S. & Bigatti, S. M. (2006). The Influences of Course Effort and Outside Activities on Grades in a College Course. Journal of College Student Development, 47(5), 546-576.
32. Zailinawati, A. H., Teng, C. L., Chung, Y. C., Teow, T. L., Lee, P. N., & Jagmohni, K. S. (2009). Daytime Sleepiness and Sleep Quality among Malaysian Medical Students. The Medical Journal of Malaysia, 64(2), 108-110.
33. Zainuddun, I. (2018, Januari 28). Apabila Media Sosial ‘Menguasai’ Tidur. Berita Harian Online. Diakses daripada: https://www.bharian.com.my/kolumnis/2018/01/381516/apabila-media-sosial-menguasai-tidur#google_vignette