For the best look and comfort, aim for your bedside table to sit between 55 and...

https://www.insert-bookmark.win/for-a-balanced-look-your-bedside-table-should-ideally-sit-level-with-the-top

For the best look and comfort, aim for your bedside table to sit between 55 and 70 centimetres high. A good rule of thumb is to keep the tabletop about 5 to 10 centimetres lower than the top of your mattress