Notice when the light arrives
Look at the bedroom window at the hour light actually bothers you. A bright patch at the side, light above a track, and light through the fabric are different problems. Photograph the window from the bed and note the direction. A darker-looking fabric is not automatically a blackout fabric, and changing color alone may leave the edge gap unchanged. Decide whether you want a softer morning glow or a much darker room before comparing products.
Compare the complete installation
Request a sample where possible and hold it against daylight. Read whether the product is described as sheer, light filtering, room darkening, or blackout, and check the maker's explanation rather than treating the terms as interchangeable. The width, track position, and overlap affect the finished result too. Test how far the open fabric stacks beyond the glass. A curtain that gives welcome darkness at night should still be manageable when you want daylight.
Choose a routine you will maintain
Try the opening method from a normal standing position and check access around bedside furniture. Follow the product's safety and fitting instructions, including any cord or chain requirements, rather than improvising an installation. Keep fabric clear of heaters according to their instructions. Consider the care label and whether you can remove and rehang the panels without difficulty. A simpler treatment that you open every morning can work better than a beautiful arrangement you avoid touching.