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Insomnia Screener Results + “ADHD Symptoms”: Why Insomnia Treatment Sometimes Comes First

Last reviewed: 02/27/2026

Reviewed by: Dr. Kiesa Kelly



If your insomnia screener results were high and you’re also thinking, “Do I have ADHD?”, you’re not alone. In real life, insomnia treatment sometimes comes before (or alongside) ADHD assessment because sleep loss can create a very convincing “ADHD-like” picture.


In this article, you’ll learn:

  • Why sleep loss can look like ADHD (especially with executive function)

  • Clues that insomnia is driving the symptoms right now

  • When ADHD may still be present even after sleep improves

  • How insomnia vs delayed sleep phase shows up in adults

  • What evidence-based CBT-I looks like and how it can coordinate with assessment


🧠 Key takeaway: When sleep is disrupted, attention, working memory, and emotional regulation often look worse, even in people who don’t have ADHD. The first step is figuring out what’s driving what.

Why sleep loss can mimic ADHD

ADHD and insomnia can overlap in ways that are frustratingly hard to separate. The brain networks involved in “top-down control” (the mental brakes that help you stay on task, inhibit impulses, and shift gears) are sensitive to sleep loss. In research, sleep deprivation can increase performance variability and weaken executive functioning, which can resemble ADHD symptoms in day-to-day life. [4]


That’s why we take insomnia and ADHD concerns seriously, without assuming one automatically explains the other.


Focus, memory, irritability, emotional regulation

When you’re underslept, it’s common to notice:

  • Difficulty sustaining focus (especially for boring tasks)

  • Slower working memory (“What was I about to do?”)

  • More distractibility and mental “noise”

  • More irritability, lower frustration tolerance, and faster emotional escalation


Sleep loss affects emotion processing and regulation, including the way the brain responds to negative stimuli. [11] Large-scale experimental work also links sleep loss to worse emotional outcomes overall. [10]


Practical example #1: You’re normally organized at work, but after several weeks of waking up at 2:00 a.m., you start missing details, rereading emails, forgetting appointments, and snapping at people you care about. That doesn’t automatically mean you “developed ADHD.” It may mean your brain is running on a depleted battery.


Misconception #1: “If I can function at work, it can’t be insomnia.” Many people with insomnia can still “power through,” but at a cost. Daytime impairment can look like fatigue, slowed thinking, irritability, or more errors, not just falling asleep at your desk. [1]


When insomnia is likely driving the picture

Sometimes the timeline tells you a lot. If the ADHD-like symptoms began after sleep became unstable, sleep is a high-priority target.


Recent onset + major stress + hormone shifts

Short-term insomnia often follows a trigger, such as a stressful season, grief, a medical change, travel, or a new caregiving role. Then, even when the trigger fades, the insomnia can stick around because of the “perpetuating” cycle: worry about sleep, extra time in bed, inconsistent sleep timing, and conditioned arousal. [2]


Hormone shifts can also be part of the story. Perimenopause insomnia is common, and sleep changes can begin in the perimenopausal transition. [8,9] Hot flashes, night sweats, mood shifts, and changes in circadian rhythm can all interact with sleep.


🌙 Key takeaway: If attention problems show up at the same time as a new wave of night wakings, early-morning awakenings, or “wired-tired” nights, treating sleep first is often the fastest way to reduce suffering and clarify what’s left. [8,9]

Improvement when sleep stabilizes

A helpful clue is whether executive function improves when sleep improves. You don’t need “perfect” sleep for this test. Even partial stabilization (more consistent sleep timing, fewer middle-of-the-night awakenings, better restfulness) can produce noticeable changes in:

  • Focus and mental stamina

  • Emotional steadiness

  • Motivation and task initiation


Sleep deprivation studies show measurable impacts on attention and memory tasks after sleep loss. [12]


Practical example #2: Someone who felt scattered and forgetful starts CBT-I and, over several weeks, notices they can read again, follow conversations, and plan their day with less friction. If the core symptoms largely recede with better sleep, insomnia was likely a key driver.


Misconception #2: “Sleep hygiene is the same as CBT-I.” Sleep hygiene (caffeine timing, screens, bedroom environment) can help, but CBT-I is a structured, evidence-based therapy that targets the mechanisms that keep insomnia going. Major guidelines recommend CBT-I as a first-line treatment for chronic insomnia. [1,2]


When ADHD may still be present

It can be true that insomnia is amplifying symptoms and that ADHD is still part of the picture. In fact, sleep problems are common in adults with ADHD, including insomnia and delayed sleep phase patterns. [7]


Lifelong pattern that predates insomnia

ADHD is typically a lifelong neurodevelopmental condition, so we look for patterns that started earlier and show up across settings (school, work, home, relationships). [5] If you can identify a long history of:

  • Chronic disorganization and time blindness

  • Persistent difficulty starting and finishing tasks

  • Losing things, missing steps, or forgetting commitments

  • Ongoing impairment that predates the current sleep disruption


…then ADHD stays on the differential, even while we treat insomnia.


🧩 Key takeaway: If the “ADHD feeling” has been there since childhood or adolescence, sleep work may reduce the intensity, but it may not remove the underlying pattern. Coordinated care can still be the best path. [5]

ADHD makes sleep routines harder (no shame)

ADHD can make sleep consistency harder, not because you’re lazy or unmotivated, but because executive function is part of bedtime.


Common barriers include:

  • Hyperfocus that runs past bedtime

  • Difficulty transitioning from stimulating tasks

  • Forgetting wind-down routines

  • A delayed circadian preference (night-owl timing)


In clinical samples of adults with ADHD, a large proportion screen positive for sleep disorders, including delayed sleep phase symptoms and insomnia. [7]


Misconception #3: “If I have ADHD, insomnia treatment won’t work.” Many people with ADHD benefit from CBT-I, especially when treatment is adapted for attention, routine-building, and realistic planning (for example, using reminders and external structure rather than willpower alone). [2]


What evidence-based insomnia treatment looks like (high level)

If you’re searching for insomnia treatment, it helps to know what “evidence-based” actually means.


CBT-I overview without DIY instructions

Cognitive Behavioral Therapy for Insomnia (CBT-I) is a short, structured treatment that addresses both the behaviors and thoughts that keep insomnia going. CBT-I usually includes a sleep assessment, targeted behavior changes, and cognitive strategies that reduce conditioned arousal and sleep-related worry. [2]


Professional guidelines recommend CBT-I as the initial treatment for chronic insomnia disorder, before medication for most adults. [1,2]


Key takeaway: CBT-I is the gold-standard, first-line insomnia treatment in major clinical guidelines, and it can be delivered in-person or via telehealth when appropriate. [1,2]

If you’re in Tennessee and looking for CBT-I Nashville or CBT-I Tennessee options, you can start by reviewing our insomnia services and reaching out through our contact page.


Coordinating sleep work with assessment

When attention concerns are active, we often recommend a coordinated plan rather than an “either/or” decision.

A coordinated approach may include:

  • Screening and treating insomnia while gathering ADHD history and impairment data

  • Tracking sleep timing to clarify insomnia vs delayed sleep phase disorder (DSWPD), which is often confused with sleep-onset insomnia [6]

  • Ruling out other sleep contributors (like sleep apnea or restless legs) when symptoms suggest them


The goal isn’t to “delay” an ADHD evaluation. It’s to reduce noise in the data and improve daily functioning while you pursue clarity. Sleep deprivation can produce cognitive patterns that resemble ADHD on testing, which is why differential diagnosis matters. [5]


If you’re exploring assessment, you can learn more about our psychological assessments and our approach to mental health screening. If ADHD is on your radar, our ASRS ADHD screener is one place to start the conversation.


Next steps

If your insomnia screener results and your “ADHD symptoms” are both lighting up, you don’t have to solve the whole puzzle today. You can take the next right step.

Here are three options that often help:


📍 Key takeaway: Sleep-first doesn’t mean ADHD is dismissed. It means we lower the suffering, stabilize the foundation, and make the next steps clearer and more humane. [5]


If you’re ready to move forward, start with the insomnia screener. If CBT-I feels like the right next step, we can talk about CBT-I Nashville and CBT-I Tennessee options during a free consult. And if you want assessment clarity, we can help you map out a plan that considers sleep and executive function together.


About the Author

Dr. Kiesa Kelly is a psychologist and the owner of ScienceWorks Behavioral Healthcare. She provides specialized therapy and evidence-based assessment services, including CBT-I for insomnia.


Her clinical work supports adults and families across Tennessee with concerns related to ADHD, autism, OCD, trauma, and sleep, with a focus on practical, science-informed care.


References

  1. Qaseem A, Kansagara D, Forciea MA, Cooke M, Denberg TD, Clinical Guidelines Committee of the American College of Physicians. Management of chronic insomnia disorder in adults: a clinical practice guideline from the American College of Physicians. Ann Intern Med. 2016;165(2):125-133. https://doi.org/10.7326/M15-2175

  2. Edinger JD, Arnedt JT, Bertisch SM, et al. Behavioral and psychological treatments for chronic insomnia disorder in adults: an American Academy of Sleep Medicine clinical practice guideline. J Clin Sleep Med. 2021;17(2):255-262. https://doi.org/10.5664/jcsm.8986

  3. Morin CM, Belleville G, Bélanger L, Ivers H. The Insomnia Severity Index: psychometric indicators to detect insomnia cases and evaluate treatment response. Sleep. 2011;34(5):601-608. https://doi.org/10.1093/sleep/34.5.601

  4. Floros O, Axelsson J, Almeida R, et al. Vulnerability in executive functions to sleep deprivation is predicted by subclinical attention-deficit/hyperactivity disorder symptoms. Biol Psychiatry Cogn Neurosci Neuroimaging. 2021;6(3):290-298. https://doi.org/10.1016/j.bpsc.2020.09.019

  5. Mierau SB. Do I Have ADHD? Diagnosis of ADHD in adulthood and its mimics in the neurology clinic. Neurol Clin Pract. 2025;15(1):e200433. https://doi.org/10.1212/CPJ.0000000000200433

  6. Nesbitt AD. Delayed sleep-wake phase disorder. J Thorac Dis. 2018;10(Suppl 1):S103-S111. https://doi.org/10.21037/jtd.2018.01.11

  7. van der Ham M, Bijlenga D, Böhmer M, Beekman ATF, Kooij S. Sleep problems in adults with ADHD: prevalences and their relationship with psychiatric comorbidity. J Atten Disord. 2024;28(13):1642-1652. https://doi.org/10.1177/10870547241284477

  8. Troìa L, Garassino M, Volpicelli AI, et al. Sleep disturbance and perimenopause: a narrative review. J Clin Med. 2025;14(5):1479. https://doi.org/10.3390/jcm14051479

  9. The 2022 Hormone Therapy Position Statement of The North American Menopause Society Advisory Panel. The 2022 hormone therapy position statement of The North American Menopause Society. Menopause. 2022;29(7):767-794. https://doi.org/10.1097/GME.0000000000002028

  10. Palmer CA, Bower JL, Cho KW, et al. Sleep loss and emotion: a systematic review and meta-analysis of over 50 years of experimental research. Psychol Bull. 2024. https://doi.org/10.1037/bul0000410

  11. Yoo SS, Gujar N, Hu P, Jolesz FA, Walker MP. The human emotional brain without sleep: a prefrontal amygdala disconnect. Curr Biol. 2007;17(20):R877-R878. https://doi.org/10.1016/j.cub.2007.08.007

  12. Holding BC, Ingre M, Petrovic P, Sundelin T, Axelsson J. Quantifying cognitive impairment after sleep deprivation at different times of day: a proof of concept using ultra-short smartphone-based tests. Front Behav Neurosci. 2021;15:666146. https://doi.org/10.3389/fnbeh.2021.666146


Disclaimer

This article is for informational purposes only and is not a substitute for professional medical or mental health advice, diagnosis, or treatment. If you are concerned about sleep, safety, or mental health symptoms, seek evaluation from a qualified professional.

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