I would recommend curtains from the top to the floor, blackout curtains or sheer curtains are perfect for the bedroom, and blinds or shades would be a nice fit in there, or if you do like bamboo shades, it would be great as well!

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For the second window, I'd say, without curtains would be my choice, just shades, it will look neat.

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We can't see your entire bedroom. Is there wall space for a 'false' window treatment of always closed curtain panels? Give the bed frame the real window calls for only closed panels. If you could put another set to the left you might get some balance in the room. In the bathroom I would find a pretty film for the glass to give you privacy and call it good.

Following along with arcy’s idea, I think I’d get one very long rod centered over the bed. As long as the bed + both nightstands. Fill the rod with opaque panels of some type.

As to color for the drapes, it’s hard to say. Your bedspread looks lavender but the walls look green-gray on my monitor, but I’m sure it’s better in person.

I like your floors.