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

https://www.bestbookmarks.win/the-perfect-bedside-table-height-makes-your-room-feel-balanced-and-functional

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