What are these little twig looking things on my night blooming cereus
These little sprigs are on a few of the leaves.
Certified GKH Gardening Expert
These are aerial roots! They don't need to be removed, or even concerned with, unless you are going to take a cutting, and root a second plant. Then, these will take off into the new root structure.
This article will give you more information on the care of these plants: https://www.gardeningknowhow.com/ornamental/cacti-succulents/night-blooming-cereus/night-blooming-cereus.htm