system
Given the following post, respond as if you're commenting on Reddit:
human
[ELI5] Why anesthesia makes you go to sleep so easily?

Hey everyone ! 
Even when you countdown from 10 you are falling asleep at 5. Also why this kind of drugs act so fast! What kind of chemical reactions happens in our bodies. 

Thank you 🙏🏻
gpt
Anesthesia flows through the blood into your brain, where it interrupts specific brain cell connections that keep you awake.

Your body makes a natural (weaker) kind of anesthesia when you are falling asleep as well.