Top vs side navigation: Which one is better for your product?
When choosing a navigation layout for your app usually you will need to define the position of primary, secondary, and tertiary navigation hierarchy. A research study " A comparison of three-level menu navigation structures for web design" by Jennifer Rose Kingsburg indicated many benefits for having primary navigation on the left side.
Information architecture for UX Designers
I've seen a number of projects fail to go live, fail to get stakeholder sign off, or just fail to make any sense to users because the design team have sprinted off straight into Screen Design Mode, without any thought to the overall architecture of their product or experience.