I think that the answer is a) it could also be d)
i'm sorry if I'm wrong i hope this helps tho :)
The puppy no longer greetng Molly when she enters the house is an example of extinction. This is because the puppy lacks motivation to greet her when she enters the house because she does not have treats.
Sleep Apnea - When a person may stop breathing for a couple seconds due to some type of blockage in the system (respiratory)
Insomnia- when a person can’t sleep or stay asleep
Sleep paralysis- when the person may have times where they can’t move or even talk
Rem sleep behavior- when a person may act out dreams that are unpleasant
Jet lag - happens to those who travel across different time zones
