I am confused vs. I feel confused

The difference is about understanding the cause of the confusion.

I am confused: is it black or is it white?

In this case, it is a clear mental process, where a clear decision cannot be made because of insufficient or conflicting information.

I felt confuse after I woke up.

I have a strange feeling that something is wrong, that something is not understood, but I have no idea why.

Or:

I am tired after not sleeping for 30 hours.

I had some intense activity, or I did not sleep in a long time, and my body needs to rest literally.

I feel tired, although I just woke up.

I have no reason to be tired, but the feeling is there. Maybe I am sick?

I feel I am ...(X) sounds like an ostricho-camel with too many words..