system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: why are our voices deeper in the morning and more prone to cracking when trying to talk in a higher pitch?
gpt
I always thought it because our vocal cords relaxed while we slept, in effect making them longer and therefore producing deeper sounds. Like if you pluck a longer string you get a deeper sound than if you pluck a shorter one.