That is the documentation for phantomjs, which is a stand-alone process. Nightmare is a package for nodejs (that interacts with a phantomjs process), so your co

That is the documentation for phantomjs, which is a stand-alone process. Nightmare is a package for nodejs (that interacts with a phantomjs process), so your code runs in a node context, where there are plenty of scheduling options, e.g. the node-cron package, or just plain setInterval().