Answer:
Stay with them and call for help. You would call for help since you're not a medical professional and you don't know how to properly help them. Also there is a possibility that nothing is wrong with them but its better to be safe than sorry.
Answer:
if your difficulty in sleeping is not due to health problems, here are some tips that can help you get back to sleep. Stop watching the clock. Marking off the minutes only heightens your distress about being awake. Try relaxing your body to fall asleep.
Explanation:
It's a positive feedback system. An example is childbirth, where the cervical opening gets increasingly larger to accomodate the impending birth.