Stabilizing circadian rhythms requires creating a circadian environment.
For this, you may need negotiation skills. Consider the following scenarios:
someone with significant investment in a career that requires nightshift
someone with a disability whose caregiver knows nothing about circadian living
someone with a spouse who falls asleep in front of "the game" or "the news" every night
To transform their living or working space into a more circadian environment, each of these people is going to have to negotiate.
The Necessity of Circadian Community Support
Depending on where they live, a person may even need to organize their community as a whole (not just their immediate social sphere). As an example, take a look at this complex before:
And after: