...at https://www.cancer.gov/about-cancer/treatment/side-effects/sleep-disorders-pdq#:~:text=Key%20Points%20Treating%20sleep%20disorders%20may%20include%20supportive,medicines%20may%20be%20used%20for%20a%20short%20time. Terry Cralle, RN, is a registered nurse, certified clinical sleep educator, and health and wellness spokeswoman for the Better Sleep Council.