Great potential, but the panoramic photo doesn't work for commentators. Take new photos, but post here. Do not start another.

Here is a quick AI rendering...floors are great; seating arrangement needs updating and a rug to ground it. (AI made the rug too large for the grouping.). Notice your AI window treatment, the bedside tables/lamps/art and the bedding. Multiple pillows will soften the black headboard.

With those floors, it is all about lighting and lightening. Your room, too much black, no mirror to reflect light. Put the art over your bed.

Are you replacing any furniture, drapery, bedding or art? These will have the most impact in creating a beautiful/cozy/organized feel. By providing a detailed drawing with measurements/doorways, etc you’ll get more helpful advice. If making decor changes, what’s your style and color preferences and what do you want to keep. The more info you provide, the better advice you’ll receive.

yes, start over with photos of all four walls. Include as many details as possible.

You could have a very elegant room if the soft furnishings were a consistent light tone as the above pic shows. It may not be in the budget to change out all the furnishing so working through the soft furnishings could be a project over time.
The current drapes are very dark, which darkens the room., with the seating a red/pink which doesn’t appear anywhere else - maybe the chairs will fit cream covers or you might consider changing the chairs to a style with cream or ivory your color choice. If you like a bit of colour, cushions can provide some. Your bed dressing could be something to update too… at times have seen it recommended to buy a size larger than the bed size to get the right amount of overhang. If you only need a light weight cover to sleep under, consider a coverlet in a lighter color that you can remove to sleep. Maybe consider a change of bedside lamps - a taller style - reaching a little over or to the top of the bed head - again in a cream shade maybe rather than the darker ivory green that they appear to be in your photo would work well in lifting your room.
Have you tried your bed where the seating area is? It might be nice to wake up next to the window. Swapping these might bring a different sense of space.
Good luck !

without seeing the whole room, I would try the bed with the headboard on the Wall where the Gray whale is. The dresser where the headboard is now.

Two large area rugs to define each space, one under the bed the other centered on the window to define the seating/lounging area. Rugs that compliment each other, not necessarily the same rug.

Are you standing in the doorway looking into the bedroom? Is that open door the bathroom? a closet?

If we saw the whole room we'd be able to advise you on placement of your furnishings. Please supply more photos.

huge room! so much potential but need to see room from all angles

If you want less heavier I would go lighter

I love what Celery envisioned. My two cents: find two rugs that are complementary but different. One for the bed area and the other for the sitting area.

With a room this size, furniture placement is mostly a question of measurements, which is why the panoramic photo makes it hard for anyone here to help. A simple plan of the room as it is today answers most of it: wall lengths, where each door and window sits and which way the doors swing, outlet and vent locations, and the footprint of the bed, the dresser and the armchairs.

From that, a few rules settle the layout quickly:

1. Leave about 30" beside the bed on the sides you use, and about 36" for any main walkway.

2. A seating group reads best facing the window, on a rug large enough that the front legs of each chair sit on it.

3. Two rugs work when the two zones are separated by at least a walkway width.

Disclosure: I'm with RemodelSet, we draw floor plans. If you send a few photos of each wall plus a tape measured sketch, we can draw the room to scale so you and everyone here can compare arrangements on paper: https://remodelset.com/contact?src=houzz&code=FIRSTPLAN

Celery's is lovely