How do you say im going to sleep in farsi or persian?

There are a few ways to say "I'm going to sleep" in Farsi/Persian, depending on the context and level of formality:

Formal:

* می‌خوام بخوابم (Mi‌khām bekhābam) - This literally translates to "I want to sleep" but is often used to express that you're about to go to sleep.

* می‌رم بخوابم (Mi‌ram bekhābam) - This means "I'm going to sleep".

Informal:

* می‌خوام بخوابم (Mi‌khām bekhābam) - This is the most common way to say "I'm going to sleep" in informal settings.

* می‌رم بخوابم (Mi‌ram bekhābam) - This is also acceptable in informal settings.

More colloquial:

* می‌خوام برم بخوابم (Mi‌khām beram bekhābam) - This literally means "I want to go and sleep".

* می‌رم می‌خوابم (Mi‌ram mi‌khābam) - This is a more casual way of saying "I'm going to sleep".

In addition to the above, you can also use these expressions:

* شب بخیر (Shab bekheir) - This means "Good night", and can be used as a way of saying goodbye when you're going to sleep.

* خوابم میاد (Khābam mi‌yad) - This means "I'm sleepy" and can be used as a way of saying you're going to sleep.

The best way to choose the right expression depends on the context and your relationship with the person you are talking to.