If freedom of speech is absolute, how come it's not applied for private spaces and for the Internet?

Revenge porn

Revealing classified information

Insurrection

What is a common thought that keeps people up at night? Why do some people experience this?

And much, much more.

Perjury

Threats of violence

Can you write a short story with a twist ending?

That’s what it is. You have no right to use other people’s stuff. If people let you use their stuff, they can tell you how you can use it, and they can tell you to stop using it any time they want.

Insider trading

Child pornography

Ben & Jerry’s board denounces ‘genocide in Gaza’ in ice-cream maker’s latest salvo against Israel - The Jerusalem Post

Trade secrets

If you’re wondering why free speech doesn’t apply to the internet, it’s because you have no right to use other people’s stuff for free.

False advertising

Elon Musk secretly had baby with Japanese pop star, ex alleges amid heavy ketamine abuse claims - The Indian Express

HIPAA violations

Fraud

Terroristic threats

Monster black hole M87 is spinning at 80% of the cosmic speed limit — and pulling in matter even faster - Live Science

You have freedom of speech. If I loan you my computer, I can tell you not to use it for certain things, because it’s mine, you have no right to use it, and if I give you permission to use it I can tell you what you can and can’t do with it.

Conspiracy

No freedom is absolute.

New Nintendo Switch 2 Welcome Tour demo trailer shows off mini games and tech demos in-action - Eurogamer

Freedom of speech does not apply to:

You have freedom to travel. If I loan you my car, I can tell you not to take it out of town, because it’s mine, you have no right to use it, and if I give you permission to use it I can tell you what you can and can’t do with it.