system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do we feel so shaky and tired after throwing up?

Last week I threw up in my sink from a hangover.
gpt
Dehydration, and it’s mildly traumatic for your body to vomit as it’s not the natural order of things, food and drink should go down, *not* come up - it can take a few minutes to a few hours to recover from this.