I have a GSD and a rottweiller. I am not saying that dogs don't have REM sleep. I'm saying that they sleep lighter than I do and they have for thousands of year

I have a GSD and a rottweiller. I am not saying that dogs don't have REM sleep. I'm saying that they sleep lighter than I do and they have for thousands of years. Cavemen let dogs eat eat their trash and in return the dogs acted as sentries.