The sleep-inducing condition, which affects at least one in 10 people to some degree, is increasingly common. In serious cases, obstructive sleep apnea can render a person with symptoms that sound like classic narcolepsy, falling asleep with little to no warning. In this way it is similar to narcolepsy, only the primary problem is respiratory. People with the condition do not breathe well while sleeping at night, which degrades the quality of the sleep, and leaves people impaired and exhausted during the day.

The condition is present among many people who report sleeping well and for seven or eight hours each night, unaware that the breathing interruptions are precluding deep, restorative cycles. Hence the demand for screening—at least among people whose jobs involve commanding enormous machines at high velocities in close proximity to other humans.

The sleep disorder has become more common and better-known in recent years as the average human body size has increased. People snore because their airways are slightly compressed, leading air to be forced through a narrow space and create a trumpet-like effect. This is partly due to the collapse that occurs when lying on one’s back, and partly due simply to anatomical differences among people.

As people gain weight, they become more likely to snore—the additional mass only adding weight to further compress the airways. Gaining weight also disposes people to obstructive apnea, which amounts to temporary total obstruction of the airway.

So how do doctors decide who to screen for this condition? Earlier this year, the U.S. Preventive Services Task Force reviewed all available studies and issued guidelines for health-care providers. Published in the Journal of the American Medical Association, the guidelines say that current evidence does not support screening all people. But, they add, it may be the case that “persons who work in safety-sensitive transportation occupations (e.g., truck drivers or rail operators) have unique testing needs.”

If you’re a doctor who has turned to this definitive text for definitive word, this is unhelpful. And even if the guidelines were unequivocal about screening all truckers for obstructive sleep apnea, many would be unable or unwilling to pay for the testing if it were optional, as some employers and insurers leave the costs to the individual truckers.

In the pages of Overdrive, a trucking-industry trade publication, reporter Todd Dills has been following the apnea-testing debate for years. He has profiled multiple truckers who have been set back less by apnea than by the cost of apnea testing, among them a 450-pound trucker named William Stewart. Even though insurance covered much of the costs of his treatment and the forced-air breathing machine Stewart was prescribed to wear while sleeping, he ended up paying around $1,500 out of pocket.

It’s possible that sometimes policies implemented by elected officials are an effective approach to keeping people safe and well. A comprehensive approach could include covering the costs of apnea screening and treatment, which could save money by preventing crashes. Yet Trump has promised to be against regulations in the broadest sense of the term, vilifying an entire class of tools to address public-health problems. The administration also last month sidelined a looming requirement for the use of speed limiters in the trucking industry, among other health-related measures like revoking an Obama-era regulation that allowed residents of nursing homes to take them to court over claims of abuse.