References

In accordance with the American Psychological Association (APA) Style, 7th edition.

Cohen, J. (1992). A power primer. Psychological Bulletin, 112(1), 155–159. https://doi.org/10.1037/0033-2909.112.1.155

Ellis, P. D. (Ed.). (2010). The essential guide to effect sizes: Statistical power, meta-analysis, and the interpretation of research results (a). Cambridge University Press.

Lee, K. A., & Gay, C. L. (2004). Sleep in late pregnancy predicts length of labor and type of delivery. American Journal of Obstetrics and Gynecology, 191(6), 2041–2046. https://doi.org/10.1016/j.ajog.2004.05.086

Rutherford, A. (2011). ANOVA and ANCOVA: A GLM approach (2nd ed.). Wiley. https://doi.org/10.1002/9781118491683

Watson, N. F., Badr, M. S., Belenky, G., Bliwise, D. L., Buxton, O. M., Buysse, D., Dinges, D. F., Gangwisch, J., Grandner, M. A., Kushida, C., Malhotra, R. K., Martin, J. L., Patel, S. R., Quan, S. F., & Tasali, E. (2015). Recommended amount of sleep for a healthy adult: A joint consensus statement of the American Academy of Sleep Medicine and Sleep Research Society. Journal of Clinical Sleep Medicine, 11(6), 591–592. https://doi.org/10.5664/jcsm.4758