What is the last thing you do before you start sleeping?
Options:
- being animal
- somersaults
- tired
- darkness
- closing eyes Let's think step by step:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
You need to close your eyes before sleeping. The last thing to do before you start sleeping is closing eyes. So, the answer is closing eyes.