You can build a jig to hold the leg while you cut it on a miter saw or a table saw ... before you start to assemble the nightstand. Cut two drawer glides at 3/4 x 3/4 x 9 inches.
The design is similar to how you would transform this IKEA kitchen staple into a modern bedside table ... giving you an artsy DIY console table as utilitarian as it is beautiful.
A bedside table goes a long way for a couple to keep their personal belongings such as medicines, books, or a phone charger. If the room is big enough, opt for two bedside tables, one on each side.