What makes your body want to go to sleep?

Question: What makes your body want to go to sleep?
- Keywords:
  body,
  sleep
Asked by Gabrielle to Darren on 18 Nov 2016.
- Darren Rhodes answered on 18 Nov 2016:
  
  Hi Gabrielle!
  
  There is actually a very small part of your brain (right in the middle) called the Pons that controls your sleep/wake cycle! It tells you when to feel sleepy!

Question: What makes your body want to go to sleep?