For a practical bedroom setup, your bedside table should sit level with the top...

https://lilyluxemaids.com/the-golden-ratio-of-bedside-comfort-matching-your-mattress-to-a-60-63-cm-nightstand/

For a practical bedroom setup, your bedside table should sit level with the top of your mattress or just 5-10 cm lower. This ensures you can reach your glass of water or phone easily from bed