Why Do Cats Sleep More Than Sheep

Research examining sleep and memory suggests memories are enhanced if A)the person learns the material prior to a period of REM B)the material is read just before falling asleep. C)the learning of the material is followed by a good night's sleep D)the learning of the material is preceded by a good night's sleep

If a person practices a difficult new motor task before going to sleep A)the brain areas that were active during the learning of the task become active during sleep. B)memory of that task will decline as time passes overnight. C)the person will have less REM sleep that night. D)the person will dream about that task.