All I know is my dog sometimes yips in his sleep, and it can be fairly loud-- I will forever wonder what he's yipping at, or how that behavior could possibly be selected for. Brains are weird.
Is there even anything that preys enough on wolves where enough of them are being killed by it that the sleep barking would be selected against?
> It is notable that approximately 50% to 70% of the time subjects report having a dream upon a sudden waking during sleep.
That seems suspicious to me given that a) REM is named for movement, and b) these mechanisms definitely aren't perfect, as things like night terrors and sleepwalking demonstrate.
For what it's worth, the American Kennel Club claims that dog motions do happen during REM: "We can’t know exactly what dogs dream about, but researchers have observed that certain breeds of dogs tend to perform breed-specific behavior in their sleep when the pons is inactivated. Pointers, for instance, point, and English Springer Spaniels exhibit flushing behavior during REM sleep." https://www.akc.org/expert-advice/lifestyle/why-dog-twitch-i...
https://www.sciencedaily.com/releases/2012/07/120711131030.h...
sleepwalking isn't related to rem stage, most movement doesn't occur during rem stages
https://www.mayoclinic.org/diseases-conditions/sleepwalking/....
https://www.uofmhealth.org/health-library/hw48331
I don't think its farfetched to guess this applies to other mammals
And since we're talking specifically about your claim about dogs, I'd like the dog reference specifically, please.
This suggests that all mammals brain work simmiliar and are paralyzed durring rem.
I'm not sure why your bringing up sleepwalking and night terrors, those don't occur durring rem, so it had nothing to do with paralysis disfunctioning
And I'm not even sure what point your getting at with your comments? Just demanding sources. I feel like you can Google these things your self
As I've explained, I bring those up as examples that the sleep system is not 100% reliable, so I think it's a mistake to go from the general case of "most motor control is shut down during REM sleep" to "nobody in any species ever twitches during a dream".
The feet twitched back and forth along my ribs and I am quite ticklish!
I was amused and glad it wasn't claws out dream fighting!
So I think cats can't be ruled out regards moving while asleep too. :-)