For the most comfortable setup, aim for your nightstand to sit level with the...

https://fionafreshmaids.com/the-ultimate-guide-choosing-the-perfect-bedside-table-height-for-a-65-cm-mattress/

For the most comfortable setup, aim for your nightstand to sit level with the top of your mattress or just 5 to 10 cm below it. This makes reaching for your phone or a glass of water effortless while lying in bed