Even spiders do: https://www.cbsnews.com/news/spiders-may-sleep-and-dream-like-people-study-finds/#:~:text=A%20new%20study%20from%20a,feel%20rested%20and%20stay

Even spiders do: https://www.cbsnews.com/news/spiders-may-sleep-and-dream-like-people-study-finds/#:~:text=A%20new%20study%20from%20a,feel%20rested%20and%20stay%20healthy https://www.cbsnews.com/news/spiders-may-sleep-and-dream-lik....