Vertical navigation needs to scroll and “stick” to the screen so that users don’t lose it. Often vertical navigation works well on a single page design

The space used by vertical navigation might be more valuable for other content.

The common theme is that many hamburger icons open into vertical sliding navigation.

If you’re designing any similar type of filtering nav I definitely recommend studying Amazon’s strategy.

Amazon has dozens of categories for every search term. This means they need a way to present refined search features without overcrowding the page. Vertical navigations just make sense because they can tuck away to the side while still being fully accessible.

a fantastic UI design with vertical nav links on product search pages.