Can you rest them on top of the night stands behind the lamps and take another photo?

Mirrors are hung to reflect something that is worth repeating. It looks like yours will repeat walls so not really that nice. A painting would be more appropriate but with the size of your lamps I would say you do not need anything above your night stands.

Designers are mixing metallics these days. Those mirrors will look nice. So they’re Champaign, a mixture of Gold and Silver. That’s what the color of your walls read. They will add light and a little glam to an already comfortable and beautiful looking bedroom.

IMO those look cheap and also do not really belong in that very pretty bedroom save the money and get better lamps that do not need books to be the right height