For the best bedside setup, aim for a nightstand that sits level with your...

https://bravo-wiki.win/index.php/Do_American_Nightstands_Run_Taller_Than_UK_Ones%3F_A_Professional%E2%80%99s_Guide_to_Perfect_Bedside_Ergonomics

For the best bedside setup, aim for a nightstand that sits level with your mattress top or about 5 to 10 cm lower. This makes reaching for your phone or a glass of water effortless