For the most comfortable feel, aim for your nightstand to sit level with the...

https://www.mediafire.com/file/ci4j8luw7hfr284/pdf-67918-84454.pdf/file

For the most comfortable feel, aim for your nightstand to sit level with the top of your mattress or just 5 to 10 cm below it. Most UK beds work best with tables in the 55 to 70 cm range