For the best look and easy access, your bedside table should sit 5-10 cm below...

https://www.bookmark-friend.win/ideally-your-bedside-table-should-sit-5-10-cm-below-your-mattress-top-this

For the best look and easy access, your bedside table should sit 5-10 cm below the top of your mattress. This setup feels natural when you reach for a glass of water or your phone at night. Most standard tables in the UK range from 55-70 cm high