For the best comfort, your nightstand should sit 5-10 cm below the top of your...

https://riveraeku966.almoheet-travel.com/the-goldilocks-guide-how-to-achieve-perfect-bedside-table-height

For the best comfort, your nightstand should sit 5-10 cm below the top of your mattress. This makes reaching for your glass of water or phone effortless while you are in bed