Zak FentonWorking notes

· Evidence review

AI agents and recovery

The note this review supportsThe only thing that stops me is a usage bar

In the note this review sits beside, The only thing that stops me is a usage bar, I describe a working pattern I like and have reasons to question. I can keep several agents busy. There is usually something ready to check, fix or start. The work is interesting. Stopping is largely my responsibility.

I wanted to know what happens to recovery when someone works like that.

The evidence assembled for this review did not identify a study pairing the timing and intensity of heavy, self-directed AI-agent use with recovery, sleep or burnout. The search has limits, which I set out below. That finding leaves a specific question open.

There are studies of AI use and exhaustion, trials of clinical AI tools, and a substantial body of research on detachment, work addiction and autonomy. Some findings give me reasons for concern. Others suggest that AI can reduce strain.

AI use and recovery

Liu and colleagues surveyed 6,726 radiologists across 1,143 Chinese hospitals. Those reporting regular or consistent use of AI for image interpretation had higher adjusted odds of burnout than those reporting infrequent use or none. The odds ratio was 1.20, with a 95% confidence interval of 1.10 to 1.30. Weighted burnout prevalence was 40.9% versus 38.6%. That is a 2.3 percentage-point difference; the odds ratio does not mean 20% more radiologists had burnout. This was a cross-sectional survey, so it cannot establish whether AI use preceded burnout or caused it. It concerns radiology workflows, with self-reported use C1.

A Finnish study started with 2,109 employees and collected three waves of survey data. Its main analyses found no significant association between AI use and work exhaustion. The frequency analysis grouped daily users together. A short daily task and hours of daily use could therefore land in the same category. An exploratory analysis found an association among people with higher social-comparison tendencies, but the main interaction tests were null. These were self-reported, observational data; the models did not test whether earlier use predicted later exhaustion C2.

Those findings come from different jobs, different exposure measures and different outcomes. They give us no settled dose-response relationship for agent use, and no basis for treating daily use as uniformly harmful or harmless.

The clinical trials also deserve space. In a 24-week randomised trial involving 66 healthcare practitioners, an ambient AI scribe reduced a combined measure of work exhaustion and interpersonal disengagement by 0.44 points on a five-point scale. The 95% confidence interval was a reduction of 0.25 to 0.62 points. The tool drafted clinical notes. The abstract supports a benefit in that setting; it cannot tell us what happens when someone uses agents to keep expanding their own workload. I have checked this finding at abstract depth C3.

Sleep has also appeared in AI research. Tang and colleagues studied 794 employees across four studies using surveys, a field experiment and a simulation. They reported general support for a pathway involving AI interaction, loneliness and after-work insomnia. I have read the abstract, which gives no effect sizes. It does not answer the question about logged agent sessions or late-night checking C4.

For recovery itself, the evidence is more established. Wendsche and Lohmann-Haislah’s meta-analysis covered 91 independent samples and 38,124 employees. Mentally switching off from work was associated with less exhaustion and better sleep. Much of the evidence was observational and based on self-report, so the associations cannot establish that improving detachment caused those benefits C5.

A five-day diary study of 116 employees, with 476 daily observations, found that more work-related smartphone use after work was associated with poorer detachment. Use and detachment were reported together in the evening, leaving their order unresolved. Someone struggling to switch off might check their phone more. Checking might also keep work in mind. The study cannot settle that direction C6.

That is a reasonable basis for investigating agent notifications and repeated checking. Applying it to agents is still an inference. The studies above did not observe someone moving between several autonomous jobs while trying to finish their day.

Difficulty stopping

In the note, I call the loop addictive. That describes how it feels to me. Establishing a behavioural addiction takes more than a long session or a large bill.

Kardefelt-Winther and colleagues proposed that research on behavioural addiction should centre persistent behaviour causing substantial impairment or distress. Their paper is a conceptual argument, rather than a diagnostic instrument. It is useful here because it challenges the habit of treating intense involvement as sufficient evidence of a disorder C7.

There is also a reason to examine the working pattern someone brings to a tool. A two-wave survey of 1,100 full-time workers found reciprocal predictions between work addiction and social-media addiction. Its network analysis found the stronger prospective associations running from work addiction towards social-media addiction. This was observational research on social media. The abstract does not supply effect sizes, and it does not establish a cause C8.

That possibility is personally inconvenient. Some of the behaviour I might blame on an agent could have arrived with me.

A 2026 preprint gets closer to the tools in question. Across samples in China, Germany and the UK, totalling 1,490 participants, compulsive working was associated with reported LLM dependency, with a weaker pattern in the UK. The study was cross-sectional. I have checked its abstract; the cited version is a preprint, and the reported findings do not test recovery or sleep. It raises a question about existing work habits and AI dependency without establishing which produces which C9.

The unpredictable payoff from an agent is another possible explanation for repeated checking. Sometimes the result is useful, sometimes it needs fixing, and sometimes it opens another task. I would treat the suggestion that this sustains compulsive use as a hypothesis. This review does not establish a reinforcement schedule or a dopamine mechanism behind it.

The research question I would take forward is whether someone repeatedly continues despite consequences they recognise and want to avoid. Hours alone cannot answer that.

Choosing the extra work

I choose much of my workload. I would like that to settle the question of whether it is good for me. The evidence leaves more to consider.

Dettmers and Bredehöft followed a final sample of 236 employees over two survey waves, three months apart. Requirements to find new tasks and initiate projects predicted an increase in cognitive irritation, meaning persistent thoughts about work. Requirements to plan work and regulate effort did not show that longitudinal association. The sample consisted of graduates in full-time work with some control over their working arrangements. It was an observational study of job design, with no AI exposure measured C10.

A cross-sectional analysis of 2,582 employees at the Swedish Transport Administration found that greater control over working time was associated with less need for recovery. More after-hours work-related technology use and overtime were associated with greater need for recovery. The data support associations between these features of flexible work; they cannot establish the order of the proposed pathways C11.

My reading is that control and workload both need measuring. Freedom to choose the next task does not tell us how much work someone takes on, how often they return to it, or whether they recover afterwards.

For agent use, the question is whether saved effort becomes time away from work, a larger queue, or some mixture of the two. The studies here do not settle that. I know which answer I am inclined to give myself.

ADHD and hyperfocus

The ADHD evidence needs careful handling. A large sample can still answer a narrower question than the one we want to ask.

In an online survey of 16,426 Norwegian workers, 32.7% of those meeting the study’s workaholism cut-off also met an ADHD screening cut-off, compared with 12.7% of the other respondents. Those percentages describe ADHD screening results within the two workaholism groups. They are not the proportion of people with ADHD who are workaholics. The sample was self-selected, both measures were self-reported, and a positive screen is not a clinical diagnosis. The cross-sectional design cannot establish direction C12.

Hyperfocus also needs a definition. In a questionnaire validation study involving 347 adults, self-reported hyperfocus correlated with ADHD symptoms at r = 0.53, and with flow at r = 0.12. That supports treating the measured experiences as distinguishable, while allowing some overlap. It does not establish what happens during an agent session or whether that session contributes to exhaustion C13.

These findings justify asking whether people experience and regulate agent use differently. They cannot give us an ADHD-specific risk estimate for heavy agent use. They also cannot stand in for evidence about every form of neurodivergence.

What I would measure next

I would start with a prospective study that follows people while they use agents for their own work. This is a research proposal, not a result from the studies above.

The exposure measure would distinguish active human involvement from a job running in the background. I would record when someone submits work, checks a result, responds to it and starts again, alongside their intended working hours. A process running overnight should not automatically count as an overnight human work session.

I would pair those records with daily measures of detachment, sleep and next-day fatigue. The Recovery Experience Questionnaire provides an existing starting point for measuring detachment: its original validation, involving 930 participants, distinguished detachment, relaxation, mastery and control. I have checked that paper’s abstract. Any diary adaptation would still need its wording, recall period and measurement properties checked for the proposed use C14.

Workload, deadlines, control over working time and reasons for continuing would need recording too. Otherwise, a difficult week could produce both more agent use and worse sleep, leaving the tool to take the blame for the deadline. I would also measure work completed and effort saved, so the study could detect benefits alongside costs.

Following the same people across days would help distinguish a person’s unusually heavy-use days from differences between people. It would still leave questions about cause. A separate experiment could test a defined change, such as when results become available or notifications arrive. Longer follow-up would be needed to examine sustained exhaustion; next-morning tiredness would not settle a claim about burnout.

Where that leaves me

I have grounds to take recovery seriously. I also have evidence that particular AI tools can reduce exhaustion in particular settings. The studies reviewed here do not establish a safe amount of agent use or show that heavy, self-directed use causes burnout.

My working hypothesis is that the pattern matters: what the tool removes, what I add back, and whether work continues occupying the time I intended to leave free. That is something to test.

The usage bar cannot tell me whether I slept, switched off or finished the week in good shape. Those are the things I would want beside it.

Scope and source checks

This is a focused narrative review, checked on 16 September 2026. It draws on a supplied research pack containing 89 extracted records, followed by targeted checks of the primary sources used here. The pack reports searches through PubMed, OpenAlex and Crossref, with limited access to arXiv. I have not independently reproduced those searches. Computer-science and information-systems coverage may be incomplete, so the absence finding applies to this review’s evidence set.

Relevant full-text sections were checked for Liu, Savolainen, Wendsche and Lohmann-Haislah, Van Laethem, Kardefelt-Winther, Dettmers and Bredehöft, Edvinsson, Andreassen and Hupfeld. Afshar, Tang, Zhai, Barajeeh, and Sonnentag and Fritz are used at abstract depth. The Barajeeh source is a preprint. This review makes those different levels of access explicit because they limit what the claims can carry.

Claims ledger

Each claim is worded exactly as it was checked. Assessed claims show the source, passage, limits and date checked. If a source could not be checked, the entry records what was attempted and why. Claims still being checked are marked in review.

  1. C1Supported

    The radiologist survey reports higher adjusted burnout odds with regular/consistent image-interpretation AI use.

    Source
    Liu H, Ding N, Li X, Chen Y, Sun H, Huang Y, Liu C, Ye P, Jin Z, Bao H, Xue H. (2024). Artificial Intelligence and Radiologist Burnout. doi:10.1001/jamanetworkopen.2024.48714 Open source (full text read)
    Passage
    odds ratio [OR], 1.20; 95% CI, 1.10-1.30
    Where
    Methods, Assessment of AI Use and Burnout Assessment; Results; Tables 2 and 3, IPW analysis.
    Limits
    Cross-sectional self-report; comparison includes infrequent users. Odds differ from prevalence and risk.
    Checked

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  2. C2Supported

    Primary AI-use associations were null; daily frequency was coarsened; the subgroup finding was exploratory.

    Source
    Savolainen I, Osma T, Grönroos R, Heiskari M, Oksanen A. (2026). Social comparison contributes to work exhaustion in the context of workplace AI use: A three-wave follow-up study of Finnish workers. doi:10.1016/j.ssmph.2026.101945 Open source (full text read)
    Passage
    Frequent AI use at work was not associated with work exhaustion
    Where
    Methods, participants, AI use measurement and statistical analysis; Table 3; exploratory analyses; limitations.
    Limits
    Self-report, attrition, contemporaneous models. No agent intensity or timing estimate.
    Checked

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  3. C3Supported

    The randomised clinical-scribe trial abstract reports reduced exhaustion/interpersonal disengagement.

    Source
    Afshar M, Baumann MR, Resnik F, Hintzke J, Sullivan AG, Wills G, Lemmon K, Dambach J, Ann Mrotek L, Quinn M, Abramson K, Kleinschmidt P, Brazelton TB, Leaf MA, Twedt H, Kunstman D, Patterson B, Liao F, Rasmussen S, Burnside ES, Goswami C, Gordon J. (2025). A Pragmatic Randomized Controlled Trial of Ambient Artificial Intelligence to Improve Health Practitioner Well-Being. doi:10.1056/aioa2500945 Open source (abstract only)
    Passage
    Ambient AI use had a significant reduction in work exhaustion/interpersonal disengagement
    Where
    Abstract, Methods and Results: 24 weeks, 66 practitioners, -0.44 points (95% CI -0.62 to -0.25).
    Limits
    Specific clinical implementation; full text not obtained. No transfer to self-directed agents established.
    Checked

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  4. C4Supported

    Four studies examined AI interaction, loneliness and after-work insomnia.

    Source
    Tang PM, Koopman J, Mai KM, De Cremer D, Zhang JH, Reynders P, Ng CTS, Chen IH. (2023). No person is an island: Unpacking the work and after-work consequences of interacting with artificial intelligence. doi:10.1037/apl0001103 Open source (abstract only)
    Passage
    survey study, field experiment, and simulation study
    Where
    Abstract, proposed model and final results sentences.
    Limits
    General support in abstract; no effect sizes or logged agent-session estimate.
    Checked

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  5. C5Supported

    Detachment was associated with lower exhaustion and better sleep in the meta-analysis.

    Source
    Wendsche J, Lohmann-Haislah A. (2017). A Meta-Analysis on Antecedents and Outcomes of Detachment from Work. Frontiers in Psychology 7:2072. doi:10.3389/fpsyg.2016.02072 Open source (full text read)
    Passage
    less exhaustion, higher life satisfaction, more well-being, better sleep
    Where
    Abstract; Methods and sample accounting; outcome tables; Discussion limitations.
    Limits
    Mostly self-report and observational studies; heterogeneous associations, not proof of causality.
    Checked

    Back to text↩ 1

  6. C6Supported

    After-work smartphone use and poorer detachment were associated in a five-day employee diary study.

    Source
    Van Laethem M, van Vianen AEM, Derks D. (2018). Daily Fluctuations in Smartphone Use, Psychological Detachment, and Work Engagement: The Role of Workplace Telepressure. doi:10.3389/fpsyg.2018.01808 Open source (full text read)
    Passage
    work-related smartphone use after work was negatively related to psychological detachment
    Where
    Abstract; Participants and Procedure; H2 results; Strengths and Limitations, synchronous relationships.
    Limits
    Use and detachment reported together; ordering unresolved. Smartphones, not agents.
    Checked

    Back to text↩ 1

  7. C7Supported

    The conceptual paper argues for impairment/distress and persistence when investigating behavioural addiction.

    Source
    Kardefelt-Winther D, Heeren A, Schimmenti A, van Rooij A, Maurage P, Carras M, Edman J, Blaszczynski A, Khazaal Y, Billieux J. (2017). How can we conceptualize behavioural addiction without pathologizing common behaviours? doi:10.1111/add.13763 Open source (full text read)
    Passage
    distress as a direct consequence of the behaviour
    Where
    Author-hosted PDF, article pages 2-4 (PDF pages 3-5), proposed definition and high-engagement discussion.
    Limits
    Conceptual proposal, not a validated diagnostic instrument or settled diagnostic standard.
    Checked

    Back to text↩ 1

  8. C8Supported

    The abstract reports reciprocal predictions and stronger work-addiction-to-social-media associations in the network analysis.

    Source
    Zhai J, Sun R, Lam LW, Kam CCS, Chark R, Wu AMS. (2025). Work Hard, Use Harder? The Longitudinal Association Between Work Addiction and Social Media Addiction in Full-Time Workers by a Cross-Lagged Panel Network Analysis. doi:10.1177/21522715251379749 Open source (abstract only)
    Passage
    identified the stronger positive prospective effects of WA on SMA
    Where
    Abstract, two-wave sample and CLPN results.
    Limits
    Observational, social-media exposure; no abstract effect sizes or causal identification.
    Checked

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  9. C9Supported

    The preprint abstract associates compulsive working with LLM dependency, varying across countries.

    Source
    Barajeeh B, Kuhail MA, Yankouskaya A, Yang H, Wang X, Ma TY, AlShakhsi S, Liebherr M, Ali R. (2026). Workaholism is associated with dependency on Large Language Models in a cross-national study doi:10.21203/rs.3.rs-8467589/v1 Open source (abstract only)
    Passage
    Working compulsively showed consistent positive associations with both forms of dependency in China and Germany
    Where
    Version 1 abstract, national samples and compulsive-work associations. N=563+360+567=1490.
    Limits
    Cross-sectional preprint; abstract access; reported findings do not test sleep or recovery.
    Checked

    Back to text↩ 1

  10. C10Supported

    Study 2 linked development demands to increased cognitive irritation; the other demand facets did not show that longitudinal association.

    Source
    Dettmers J, Bredehöft F. (2020). The Ambivalence of Job Autonomy and the Role of Job Design Demands. Scandinavian Journal of Work and Organizational Psychology 5(1):8. doi:10.16993/sjwop.81 Open source (full text read)
    Passage
    and to an increase in cognitive irritation from T1 to T2
    Where
    Study 2: Sample, Measures, Analysis and Results; General Discussion paragraph beginning Partially supporting Hypothesis 4.
    Limits
    Observational, selected graduates with autonomy; outcome is cognitive irritation, not exhaustion.
    Checked

    Back to text↩ 1

  11. C11Supported

    Work-time control, after-hours ICT and overtime had different associations with need for recovery.

    Source
    Edvinsson J, Mathiassen SE, Bjärntoft S, Jahncke H, Hartig T, Hallman DM. (2022). A Work Time Control Tradeoff in Flexible Work: Competitive Pathways to Need for Recovery. doi:10.3390/ijerph20010691 Open source (full text read)
    Passage
    more work time control was associated with less need for recovery
    Where
    Abstract; Methods 2.1-2.2; regression model results and limitations.
    Limits
    Cross-sectional, single employer; mediation models cannot establish temporal or causal order.
    Checked

    Back to text↩ 1

  12. C12Supported

    ADHD-screen-positive proportions differed by workaholism-screen group.

    Source
    Andreassen CS, Griffiths MD, Sinha R, Hetland J, Pallesen S. (2016). The Relationships between Workaholism and Symptoms of Psychiatric Disorders: A Large-Scale Cross-Sectional Study. doi:10.1371/journal.pone.0152978 Open source (full text read)
    Passage
    32.7% (n = 421) met the screening cut off for clinical levels of ADHD
    Where
    Results, paragraph beginning When investigating the prevalence rates; Table 2; sample and limitations.
    Limits
    Self-selected cross-sectional sample; screening, not diagnosis. Denominator is the workaholism group.
    Checked

    Back to text↩ 1

  13. C13Supported

    Questionnaire hyperfocus correlated more strongly with ADHD symptoms than with the measured flow construct.

    Source
    Hupfeld KE, Osborne JB, Tran QT, Hyatt HW, Abagis TR, Shah P. (2024). Validation of the dispositional adult hyperfocus questionnaire (AHQ-D). doi:10.1038/s41598-024-70028-y Open source (full text read)
    Passage
    There was a weak positive correlation between AHQ-D scores and flow
    Where
    Methods, Participants; Results, CAARS and convergent-validity analyses; Discussion, flow relationship.
    Limits
    Self-report scale validation; no agent exposure, recovery outcome or diagnostic inference.
    Checked

    Back to text↩ 1

  14. C14Supported

    The original REQ validation abstract distinguishes four recovery experiences.

    Source
    Sonnentag S, Fritz C. (2007). The Recovery Experience Questionnaire: development and validation of a measure for assessing recuperation and unwinding from work. doi:10.1037/1076-8998.12.3.204 Open source (abstract only)
    Passage
    four recovery experiences can be differentiated: psychological detachment from work, relaxation, mastery, and control
    Where
    Abstract, Study 2 calibration/cross-validation (total N=930).
    Limits
    Abstract access. Diary adaptation, permissions and suitability require checking for a study protocol.
    Checked

    Back to text↩ 1

Back to the noteThe only thing that stops me is a usage bar