It is around lunch, and you are listening to music on the ra…

It is around lunch, and you are listening to music on the radio. You decide that you would like Taco Bell. After you start to drive to Taco Bell, you realize that earlier you had heard an advertisement for Taco Bell. What might explain your behavior of going to get food at Taco Bell? 

Your friend has been having a hard time getting to sleep at…

Your friend has been having a hard time getting to sleep at night. He states that he lies in bed for hours. On some days he gets out of bed at 10 am and other days he is still in bed after 1 pm. What would be the first guideline that should be followed to help your friend sleep?