For the perfect bedroom setup, aim to have your bedside table sit 5 to 10...

https://www.red-bookmarks.win/getting-your-nightstand-height-right-makes-your-bedroom-feel-perfectly

For the perfect bedroom setup, aim to have your bedside table sit 5 to 10 centimetres below the top of your mattress. This makes reaching for your phone or a glass of water feel completely natural while you are in bed