Certified GKH Gardening Expert
Our experts say bright, indirect light, so a south facing window would work. If you don't have bright light in the bedroom, I would add a grow light. If it's not getting enough light, it will let you know. The stems will stretch out long and leggy.
Here's an article with details: https://www.gardeningknowhow.com/ornamental/cacti-succulents/dolphin-plant/growing-dolphin-succulent-plants.htm