Pete’s parents are out of town, and he decides to throw a party. One of his friends brings alcohol without permission. Pete does not notice how much his friend drinks, but as the evening progresses, Pete finds his friend asleep on the couch. When would Pete need to call 911? Check all that apply.

if his friend snores loudly
if his friend has slow or irregular breathing
if his friend is unable to wake up
if his friend is talking in his sleep
if his friend starts vomiting while unconscious