For the perfect bedroom balance, your nightstand should sit level with the top...
https://www.apu-bookmarks.win/for-the-best-comfort-aim-for-a-nightstand-that-sits-5-to-10-cm-lower-than-the
For the perfect bedroom balance, your nightstand should sit level with the top of your mattress or ideally 5-10 cm lower. Most standard UK beds pair well with tables between 55-70 cm high