Answer:
There is no historical context to prove the existence of King Arthur and Queen Guinevere.
Explanation:
Currently, King Arthur and his queen Guinevere are considered characters of a legend, that is, they are persongens of British folklore very well known all over the world. However, the real existence of these characters is debated today, as many believe that they existed or were strongly inspired by some real British personality. However, neither King Arthur nor Queen Guinevere has a historical background that can prove the existence of both.
The answer for this question is: <span>When he is in non-REM sleep
When people enter the REM sleep, the body will limit their motoric movements so they could focus on resting it.
Which means that it almost impossible for people to do large movement such as walking when they're already entering this stage of sleep.</span>