Admiral, sir... if I may make a small adjustment to my rooms?

Would it be possible to request a bedroom for my cabin? A proper one, much like the one I had back in my family's house albeit with... a, um, a coffin of appropriate size for me instead of the bed?

And could the main room as it previously was be changed to... to a small garden with artificial sunlight? I would tend it, of course. It-

It would be very helpful, if you please.