REM
Rapid eye movement. The phase of sleep associated with dreaming and distinguished from the other stages of sleep by rapid movement of the eyes.
Last Updated
October 7, 2025
October 7, 2025
Last updated: October 7, 2025.
This article was contributed by .
Explore More
COVID-19 Vaccine Frequently Asked Questions
During the COVID-19 pandemic, public-private partnerships produced a novel vaccine for COVID-19. While COVID-19 is no longer a pandemic, the virus still persists much like influenza. Vaccines for C...