The Sleep Deprivation Crisis No One Is Taking Seriously
We have known for decades that Americans are not sleeping enough and that this is making us sicker, dumber, and more dangerous. We have done almost nothing about it.
The case against sleeping enough has never been stated directly, but it is implied everywhere. In the culture of American professional life — especially in medicine, law, finance, and technology — the willingness to sacrifice sleep signals commitment, drive, and the kind of toughness that separates those who succeed from those who don't. Medical residents have worked 30-hour shifts as a matter of tradition. Silicon Valley mythology celebrates the founder who sleeps under their desk. The phrase "I'll sleep when I'm dead" is meant to be aspirational, not ominous.
But the science of sleep has become, over the past two decades, astonishingly clear on a set of questions that this culture treats as settled. How much sleep do adults need? Seven to nine hours per night for most people, with individual variation in a range around that mean. What happens when you get less? Cognitive impairment comparable to moderate alcohol intoxication (at 17–24 hours of wakefulness). Elevated risk of heart disease, diabetes, obesity, and cancer. Significantly impaired immune function. Dramatic degradation of memory consolidation and emotional regulation. And — this is the finding that most complicates the tough-guy mythology — impaired ability to recognize your own impairment, meaning that sleep-deprived people consistently rate their own performance as better than it actually is.
None of this is recent news to sleep researchers, who have been publishing and publicizing these findings for decades. What has been remarkably resistant to change is behavior — specifically, the cultural and institutional arrangements that push Americans toward insufficient sleep and the lack of any policy response equivalent to the scale of the problem.
The scale is worth stating precisely. The Centers for Disease Control estimates that roughly 35 percent of American adults regularly sleep fewer than seven hours per night. This is not a small tail of the distribution; it is more than 90 million people living in a state of chronic sleep insufficiency that would, by the measures used in laboratory research, qualify as significant cognitive impairment on a daily basis.
To put this in perspective: if 35 percent of adults were regularly driving with blood alcohol levels equivalent to the impairment from sleep deprivation, we would call it a national emergency and implement sweeping policy interventions. Instead, we call it hustle culture and celebrate the winners.
The consequences extend well beyond individual health. Sleep-deprived medical residents and nurses make more errors — a finding so robust that it led to partial work-hour restrictions (though far less complete than the research suggested). Sleep-deprived truck drivers cause more fatal accidents — a finding that led to federal hours-of-service regulations. Sleep-deprived students perform worse academically — a finding that led several school districts to push back middle and high school start times with measurable improvements in attendance, grades, and mental health.
Each of these interventions was bitterly contested by the industries and institutions that would have to change their practices. Hospitals objected to resident work-hour limits on grounds of continuity of care and training culture. Trucking companies objected to rest requirements on grounds of delivery economics. School boards objected to later start times on grounds of bus scheduling and parent inconvenience.
In each case, the pattern is the same: clear scientific evidence that a practice is causing harm, economic and institutional resistance to change, and a policy response that is partial and delayed. This is not conspiracy; it is the normal friction of institutional inertia. But it is also the normal mechanism by which public health crises persist long after their causes are well understood.
The political economy of sleep is particularly difficult because the costs of insufficient sleep are diffuse and long-term while the benefits of current practices are immediate and concentrated. The cost of sleep deprivation across the American population — in productivity, healthcare spending, accidents, and reduced cognitive capacity — is estimated in the hundreds of billions of dollars annually. But these costs don't appear on any single balance sheet. They are distributed across individual lives, insurance pools, and productivity calculations that no one is aggregating.
The institution whose failure here is most striking is medicine itself. The profession that possesses the clearest scientific evidence about the importance of sleep also maintains training cultures that routinely require young physicians to work schedules that create the exact impairments the research documents. Surgical residents operating after 24-hour shifts are performing procedures on patients who did not consent to being operated on by someone in a state of sleep deprivation.
The 2003 Accreditation Council for Graduate Medical Education reforms limited residents to 80 hours per week and single shifts to 30 hours — numbers that sound dramatic when stated as limitations but remain, by any sleep scientist's standard, well into the range of serious cumulative sleep deprivation. The research on the effects of 80-hour work weeks on physician performance is not good, but the institutional culture of medicine has proved remarkably resistant to further reform, defended on grounds that are partly substantive (continuity of care, the argument that residents learn more from longer cases) and partly traditional (the profession that required it of me should require it of you).
The substantive argument is testable, and the tests are not favorable to long hours: the most rigorous studies of resident work-hour restrictions show either no change or modest improvement in patient outcomes, and clearer improvement in resident well-being. But the traditional argument — we survived it — is not testable and therefore not refutable. It persists.
What would a serious public health response to sleep deprivation look like? It would start by removing the cultural incentives for insufficient sleep — beginning with the language of professional mythology that treats rest as laziness and wakefulness as virtue. It would continue with institutional changes: school start times aligned with adolescent sleep biology (high school ideally starting no earlier than 8:30 AM, consistent with the American Academy of Pediatrics recommendation that has been implemented in a fraction of school districts). Workplace norms that do not penalize employees for not responding to communication outside business hours. Medical training schedules that do not exceed what the research shows to be safe.
None of this requires new science. All of it requires different choices — institutional, cultural, and political — from the people who set schedules and norms.
The reason to expect those choices is not optimism about human nature but the accumulating cost of not making them. Every decade of inaction adds up: to diabetes cases that didn't have to happen, to car accidents caused by drowsy drivers, to the systematic degradation of cognitive capacity across a population that has unknowingly decided that sleep is optional.
It is not optional. The science on this point is, if anything, more settled than the science on most public health interventions that have commanded policy attention. What is required is not discovery but decision.
Dr. Oliver Merritt is a physician and public health researcher at Johns Hopkins Bloomberg School of Public Health. He is a contributing writer at The Auguro.