Originally Posted by
jimjim1
I have experienced "the leans" lying in bed asleep.
I opened my eyes and the room was oscillating about 45 degrees each way at say 0.5 - 0.25Hz.
I had to crawl along the floor to go to the bathroom for about 24h.
The systems that tell us which way is up are not simple and straightforward. It appears to me that the brain combines available cues to create an impression of which way is up. It is easily fooled.
So, about those unusual mushrooms you ate with dinner....