The golden rule for bedside tables is comfort and accessibility. Aim for a...

https://angelojvrt605.wpsuo.com/should-my-bedside-table-be-higher-than-my-bed-the-ultimate-guide-to-perfect-nightstand-height

The golden rule for bedside tables is comfort and accessibility. Aim for a height that sits 5 to 10 cm below the top of your mattress. This prevents you from knocking things over or having to reach up awkwardly while in bed