1. Suplee PD, Janke J. AWHONN compendium of postpartum care. 3rd ed. Washington, DC: Association of Women’s Health, Obstetric and Neonatal Nurses; 2020.
2. Hunter LP, Rychnovsky JD, Yount SM. A selective review of maternal sleep characteristics in the postpartum period. J Obstet Gynecol Neonatal Nurs. 2009;38:60–8. https://doi.org/10.1111/j.1552-6909.2008.00309.x.
3. Pelayo R, Dement WC. History of sleep physiology and medicine. In: Kryger MH, Roth T, Dement WC, editors. Principles and practice of sleep medicine. 6th ed. Philadelphia: Elsevier Saunders; 2017.
4. Tempesta D, Socci V, De Gennaro L, Ferrara M. Sleep and emotional processing. Sleep Med Rev. 2018;40:183–95. https://doi.org/10.1016/j.smrv.2017.12.005.
5. National Sleep Foundation. How much sleep do we really need? 2020. http://www.sleepfoundation.org/article/how-sleep-works/how-much-sleep-do-we-really-need. Accessed 1 January 2021.