Dentistry attracts high performers.
We are disciplined, detail-oriented, and conditioned to move quickly from one demand to the next. Morning huddle. Full schedule. Production goals. Documentation. Emails between patients. CE after hours. Then home.
Most of us would not describe ourselves as unmotivated. But many of us would quietly admit something else: We are tired.
Physically tired? Absolutely. But also cognitively tired.
An emerging body of research suggests that chronic sleep restriction impairs attention, working memory, and executive function, even in otherwise healthy adults.1 Add fluctuating blood glucose levels from skipped meals or nutrient-deficient foods, and cognitive efficiency drops further.2 Layer on persistent occupational stress, and inflammatory markers begin to rise.3
Individually, these factors seem manageable. Collectively, they create what many clinicians are experiencing as an energy crisis.
The hidden cost of cognitive depletion
In clinical dentistry, attention is currency.
We rely on sustained focus to detect subtle carious lesions, interpret radiographs, notice tissue changes, and communicate clearly with patients. When attention fragments, performance quietly shifts.
Research in cognitive science shows that frequent task switching, especially digital task switching, reduces processing efficiency and increases mental fatigue.4 Every glance at a notification, every scroll between patients, every late-night email chips away at attentional bandwidth until completing an email is unachievable without at least a few additions to our mental “to-do” list.
Over time, we normalize brain fog. We attribute it to being “busy.” But diminished focus is not a personality flaw. It is often a physiological and neurological response to chronic overstimulation and energy debt.
Many of us have experienced this personally. Attempting to read 10 consecutive pages of a paper book can feel almost impossible—not because we lack intelligence, but because sustained attention has been conditioned out of us. When it takes 45 minutes to read 10 pages, that is neural fatigue in real time.
And yet, we expect our brains to perform at a high level all day.
Running on cortisol and caffeine
High performers are particularly vulnerable to this cycle.
We skip breakfast because we’re “not hungry.” We power through on coffee. We delay lunch until 3 p.m. We answer messages during breaks. We fall asleep scrolling.
Blood glucose variability alone has long been associated with fatigue and reduced cognitive performance.2 Chronic occupational stress has been linked to elevated inflammatory markers and long-term health consequences.3 Sleep restriction, even modest amounts, impairs reaction time and attention comparably to alcohol exposure in laboratory studies.1
We would never treat patients under the influence of alcohol. Yet many of us practice daily under significant sleep and cognitive deprivation.
This is not about blame; it’s about awareness.
Also by the author: Wellness Corner: We are NOT part camel! The real cost of working dehydrated
4 practical energy boosters for high performers
If we accept that dentistry is cognitively demanding, then energy management becomes a professional responsibility—not a luxury. Rather than vague advice to “sleep more” or “get off your phone,” small, structured interventions can create measurable change.
No. 1: Breakfast before work
Starting the day with adequate protein, fats, and carbs supports more stable blood glucose patterns, reducing midmorning crashes. Stable energy supports stable focus. A balanced breakfast goes a long way.
No. 2: Coveted midday break
A brief, nonnegotiable break period protects cognitive performance during long afternoons. Energy debt accumulates when we delay nourishment, so step outside for a meal—not for indulgence, but for productivity. Natural light acts as a signal to the brain, reinforcing circadian rhythm for better sleep later.
No. 3: Digital boundaries
Using built-in tools such as scheduled downtime, turning off notifications, or setting app limits can dramatically reduce passive scrolling. Removing frictionless access improves attentional control. Even small boundaries—no notifications between patients or no phone after dinner—can reduce cognitive fragmentation.4
No. 4: Focus training
Reading a physical book for 20 minutes daily acts as attentional resistance training. Meditation is another focus training alternative. Just sit and slowly breathe in and out. Three to five minutes can be hard at first, but it gets easier with practice. Like strengthening muscle, focus improves with practice. If we learn to shut down some of the 47 mental tabs open at all times in our brain, it leaves more bandwidth for the ones that are really important.
None of these strategies are extreme. They are subtle, but effective recalibrations.
Flipping the script
We counsel patients daily on prevention. We explain how small, consistent habits prevent larger problems. The same principle applies to our professional longevity.
When we underfuel, fragment our attention, sacrifice sleep, and remain in chronic sympathetic overdrive, the consequences are measurable—not just in how we feel, but in how we perform. If dentistry requires precision, then protecting the brain and body that deliver that precision matters.
As prevention professionals, perhaps the next frontier is not just preventing disease in our patients—but preventing depletion in ourselves.
Longevity begins with us.
Editor’s note: This article first appeared in Clinical Insights newsletter, a publication of the Endeavor Business Media Dental Group. Read more articles and subscribe.
References
Oztekin I, McElree B. Relationship between measures of working memory capacity and the time course of short-term memory retrieval and interference resolution. J Exp Psychol Learn Mem Cogn. 2010;36(2):383-397. doi:10.1037/a0018029
McNay EC, Recknagel AK. Brain insulin signaling: a key component of cognitive processes and a potential basis for cognitive impairment in type 2 diabetes. Neurobiol Learn Mem. 2011;96(3):432-442. doi:10.1016/j.nlm.2011.08.005
Roehrs T, Hollebeek E, Drake C, Roth T. Substance use for insomnia in Metropolitan Detroit. J Psychosom Res. 2002;53(1):571-576. doi:10.1016/s0022-3999(02)00448-8
Ophir E, Nass C, Wagner AD. Cognitive control in media multitaskers. 2009;106(37):15583-15587. doi:10.1073/pnas.0903620106
