Written by the Nuvirox Research Team
Key points
- Software engineering stacks sustained concentration, context switching, on-call sleep disruption, long screen sessions, and prolonged sitting into one day.
- In a study of 200 software engineers, 60% met criteria for burnout and 70% had poor sleep, with effort-reward imbalance the strongest predictor.
- NAD+ precursors raise NAD+ levels in human trials, but evidence for felt energy in healthy adults is mixed; sleep, workload, and recovery come first.
Short answer: software engineering is mentally exhausting because it stacks several drains at once, not because coders are soft. Sustained concentration, context switching, on-call sleep disruption, screens, and sitting all pull from the same reserve. Burnout proper (exhaustion plus cynicism and a sense that your work isn't landing) tends to follow when that load runs for months while rewards and recovery stay flat. The fixes that have evidence behind them are mostly about recovery and workload, and supplements are, at best, a small supporting piece.
Why does coding drain you when you barely move all day?
Because the work is expensive for the brain even though it is cheap for the muscles. Programming asks you to hold a mental model of a system in working memory, trace logic several layers deep, and keep that model intact while you type. That kind of sustained, effortful attention produces a real, measurable decline in alertness and motivation over hours, which is the same pattern we cover in why deep work leaves you so mentally exhausted.
The physical stillness doesn't help. Sitting for hours lowers arousal, and a lot of engineers go from desk to couch to bed with very little movement in between. That mix of high mental demand and low physical activation is why your body feels fine while your brain is done.
Is context switching really that costly?
Yes, and it compounds. Every switch between a code review, a Slack thread, a standup, and back to the bug you were chasing forces you to reload the problem into working memory. We break down the cognitive cost in more detail in our guide to task-switching and mental fatigue.
What does on-call do to energy?
On-call work is one of the clearest drivers because it hits sleep, which is the main recovery system. Even quiet on-call nights can leave you sleeping lightly, half-listening for the pager. Engineers on rotation often describe waking up the morning after a bad page feeling foggy, headachy, and slow, the pattern people search for as feeling hungover without drinking. For more on rotation schedules specifically, see why on-call work is so tiring.
Where does cellular energy (and NAD+) fit in?
NAD+ is a coenzyme your cells use in the core reactions that turn food into usable energy, including in the brain. Levels tend to decline with age, and precursor supplements such as nicotinamide riboside (NR) and nicotinamide mononucleotide (NMN) reliably raise NAD+ in blood in human trials. That is the background biology, and it is genuinely interesting.
The fair reading, though, is that engineer burnout is primarily a workload, sleep, and recovery problem. There is no trial showing that raising NAD+ reverses burnout or restores focus in stressed software workers, and trials in healthy adults show mixed results for anything you'd actually feel. Our overview of what the research says about NAD+ for energy walks through it.
What the research actually shows
Burnout and poor sleep are common among software engineers. A cross-sectional study of 200 software engineers (mean age about 29) found burnout in 60% and poor sleep quality in 70%, measured with the Oldenburg Burnout Inventory and the Pittsburgh Sleep Quality Index. Effort-reward imbalance, the sense of putting in far more than you get back, was the strongest predictor of both. It's correlational, so it describes risk, not cause.1
Wellbeing and productivity move together. A 12-language survey of 2,225 developers across 53 countries during the 2020 shift to remote work found that wellbeing and productivity were closely linked, and that home-office ergonomics and stress both affected them.2
On-call from home degrades sleep. A systematic review of eight studies concluded that working on-call from home appears to reduce sleep quantity and, in most cases, sleep quality. The authors noted the studies often didn't separate nights with calls from nights without, and that evidence on stress hormones was too thin to draw conclusions.3
Breaking up sitting can lower fatigue, but don't expect sharper code. In a randomized crossover pilot trial of 19 overweight or obese adults, 3-minute light walking breaks every 30 minutes lowered self-reported fatigue compared with uninterrupted sitting over a long lab day.4 A separate crossover trial in 24 healthy adults found 2-minute walking breaks every 20 minutes raised self-perceived energy but produced no difference in cognitive performance.5
NAD+ precursors raise NAD+ in people. In a randomized, double-blind crossover trial of 30 healthy middle-aged and older adults (24 completed), 1,000 mg/day of NR for six weeks was well tolerated and raised NAD+ in blood immune cells by roughly 60% versus placebo.6
But raising NAD+ doesn't guarantee a felt effect. In a six-week crossover trial of 13 overweight or obese adults taking 1,000 mg/day of NR, muscle NAD+ markers rose, yet there were no effects on insulin sensitivity, mitochondrial function, or energy metabolism.7 This is the honest counterweight: a biomarker change is not the same as more energy at 4 p.m.
What developers report
Anecdotal, from public developer forums. Threads on sites like Blind carry titles such as "brain melt after working day," "too exhausted after work to study more," and "does software engineering fry your brain." The recurring themes: people feel fine physically but can't face side projects or interview prep in the evening, and the worst days are the ones fragmented by meetings rather than the longest ones. None of this is data, but it lines up with the research above.
What NAD+ support won't do for engineer burnout
- It won't fix an unsustainable workload, an on-call rotation that wakes you three nights a week, or a job where effort and reward are badly out of balance.
- It won't replace sleep.
See a doctor if exhaustion persists for weeks despite time off, if you are sleeping enough but waking unrefreshed, if you snore heavily or wake gasping, or if low mood, loss of interest, or hopelessness are part of the picture. Burnout can overlap with depression, sleep apnea, thyroid problems, and anemia.
What actually helps, and a realistic timeline
- Protect sleep first. Push for on-call rotations that allow recovery days after heavy nights, and treat sleep as the non-negotiable part of your schedule.
- Batch interruptions. Block two or three focus windows per day and check messages between them. Fewer switches means less reloading.
- Move on a timer. Two to three minutes of walking every 20 to 30 minutes is the pattern the sitting trials used, and it improved perceived energy.
- Address effort-reward imbalance directly. Workload and recognition conversations with a manager target the strongest predictor in the research.
If you choose to try an NAD+ precursor as a small part of this, human trials have mostly used 250 to 2,000 mg/day of NR or NMN for six to twelve weeks, and blood NAD+ rises within the first couple of weeks.6 Judge it over at least eight weeks alongside changes to sleep and workload.
Frequently asked questions
Is it normal to feel mentally exhausted after coding all day?
Yes. Sustained concentration causes real mental fatigue, and coding adds context switching and screen time on top. It becomes a concern when the tiredness doesn't lift after rest days or a vacation.
How do I know if it's burnout or just a hard sprint?
A hard sprint feels better after a weekend off. Burnout typically adds cynicism about the work, a sense that nothing you do matters, and exhaustion that survives time off. If it has lasted months, treat it as burnout.
Can supplements fix programmer burnout?
No supplement fixes burnout. NAD+ precursors do raise NAD+ levels in trials, but evidence for felt energy benefits in healthy adults is mixed, and none have been tested on burnout itself. Sleep, workload, and recovery come first.
From Nuvirox
Why we formulated NAD+ Restore
If long stretches of demanding focus leave you running on empty, supporting the cellular energy pathways your brain depends on is one small, reasonable piece to add alongside better sleep and recovery.
We built NAD+ Restore around a simple idea: support the NAD+ pathway your cells rely on for everyday energy metabolism, and be honest about what the human research does and doesn't show. It's a daily, evidence-led formula meant to complement sleep, food, hydration, and recovery — not replace them.*
It comes with a 60-day money-back guarantee — long enough to actually evaluate it the way the research says you should.
Learn more about NAD+ Restore →The bottom line
Software engineers get mentally exhausted because the job layers sustained concentration, context switching, on-call sleep disruption, screens, and sitting into one long day, and burnout follows when that runs for months without matching recovery or reward. The strongest levers are sleep protection, fewer interruptions, movement breaks, and fixing effort-reward imbalance. NAD+ precursors raise NAD+ in trials, but the evidence for felt energy is mixed, so treat them as a small supporting piece at most. If the pattern sounds familiar from a different career, our look at why sales burnout hits so hard covers the emotional-labor version of the same problem.
References
- Raju A, Nithiya DR, Tipandjan A. Relationship between burnout, effort-reward imbalance, and insomnia among Informational Technology professionals. J Educ Health Promot. 2022;11:296. DOI: 10.4103/jehp.jehp_1809_21. PMID: 36439009. PMCID: PMC9683435.
- Ralph P, Baltes S, Adisaputri G, et al. Pandemic programming: How COVID-19 affects software developers and how their organizations can help. Empir Softw Eng. 2020;25(6):4927-4961. DOI: 10.1007/s10664-020-09875-y. PMID: 32952438. PMCID: PMC7489196.
- Hall SJ, Ferguson SA, Turner AI, et al. The effect of working on-call on stress physiology and sleep: A systematic review. Sleep Med Rev. 2017;33:79-87. DOI: 10.1016/j.smrv.2016.06.001. PMID: 27426960.
- Wennberg P, Boraxbekk CJ, Wheeler M, et al. Acute effects of breaking up prolonged sitting on fatigue and cognition: a pilot study. BMJ Open. 2016;6(2):e009630. DOI: 10.1136/bmjopen-2015-009630. PMID: 26920441. PMCID: PMC4769400.
- Kuo FC, Lin YT, Chueh TY, et al. Breaking prolonged sitting increases 24-h physical activity and self-perceived energy levels but does not acutely affect cognition in healthy adults. Eur J Appl Physiol. 2024;124(2):445-455. DOI: 10.1007/s00421-023-05278-1. PMID: 37543544.
- Martens CR, Denman BA, Mazzo MR, et al. Chronic nicotinamide riboside supplementation is well-tolerated and elevates NAD+ in healthy middle-aged and older adults. Nat Commun. 2018;9(1):1286. DOI: 10.1038/s41467-018-03421-7. PMID: 29599478. PMCID: PMC5876407.
- Remie CME, Roumans KHM, Moonen MPB, et al. Nicotinamide riboside supplementation alters body composition and skeletal muscle acetylcarnitine concentrations in healthy obese humans. Am J Clin Nutr. 2020;112(2):413-426. DOI: 10.1093/ajcn/nqaa072. PMID: 32320006. PMCID: PMC7398770.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This article is for informational purposes only and is not a substitute for professional medical advice.