For a comfortable bedroom, your nightstand should sit level with the top of...

https://www.primary-bookmarks.win/the-golden-rule-for-bedside-tables-is-comfort-aim-for-your-nightstand-to-sit

For a comfortable bedroom, your nightstand should sit level with the top of your mattress or up to 10 centimetres below it. This makes reaching for your phone or a glass of water effortless