Walking is a type of cardiovascular exercise because it builds stamina in your body and also increases the efficiency of your heart and lungs.
Sometimes nightmares happen because of what happened on the day before you went to sleep, you might’ve been stressed, you watched a horror movie, or you might have been really scared of something, nightmares also happen because you thought about a lot of creepy things or things that would frighten you before you fell asleep.
Brain stem :) It controls all the things like breathing, heartbeat, body temp, blood pressure and alertness ^_^
Hospitals are often staffed with workers who can speak languages other than the dominant language used in the hospital