Unfortunately I don't have any input on your work situation. I live in another country, so I don't know the system.
But listen to your body.

My body told me when I had to begin to give myself a break.

What I thought was going to be a short break has now become a long break, and I've had to adapt. I have cut down on work to the least possible without having to give up completely.

Financially, I have to depend on my husband to bail me out often which used to be very embarrassing, but he has been sweeter than sweet and I have learnt to ask when I absolutely need to. I, thank Heavens, don't need much.

It is not how anybody wants their life to be, but this IS how it is.

Take care.