ADHD and Insomnia: When Racing Thoughts, Late Energy, and Burnout Collide
- Kiesa Kelly
- 5 minutes ago
- 7 min read
Last reviewed: 03/28/2026
Reviewed by: Dr. Kiesa Kelly
ADHD and insomnia often collide in ways that feel confusing and defeating. You can be exhausted and desperate for sleep, yet your mind still feels loud and your body still feels oddly alert. For many adults, that pattern is not just “bad habits.” It can reflect a mix of delayed sleep timing, stress-sensitive sleep, and the way ADHD affects attention, momentum, and transitions.[1-8]
In this article, you’ll learn:
why ADHD and sleep problems so often overlap
what late-night energy and racing thoughts can look like in daily life
how stress and burnout can make bedtime harder
how to tell a delayed sleep pattern from classic insomnia
why generic sleep advice often falls flat
what to look for if you want CBT-I in Tennessee or sleep-focused support
Why ADHD and Insomnia Often Travel Together
Racing thoughts and difficulty winding down
ADHD can make “off” hard to find. Bedtime is often the first quiet moment when unfinished tasks, shame about the day all show up at once. Insomnia also involves hyperarousal, meaning the brain and body stay too activated for sleep to come easily.[1,7]
In our insomnia treatment approach, we sort out what is actually keeping sleep stuck instead of assuming every late night has the same cause.[9]
🌙 Key takeaway: When your brain will not turn off at night, the problem is not always motivation. Often, your system is still too activated to shift into sleep.
Late-night energy and second-wind patterns
Many adults with ADHD describe getting a second wind late in the evening. Research in adult ADHD also shows a strong pattern of eveningness and delayed circadian timing, so your internal clock may naturally run later than the schedule you are trying to keep.[3-6]
Why exhaustion does not always equal easy sleep
A common misconception is that if you are tired enough, you should fall asleep instantly. But insomnia does not work that way. Stress, rumination, and sleep pressure can leave you “wired but tired,” where you feel depleted but not settled.[1,7]
What This Can Look Like in Daily Life
Staying up too late even when you’re tired
Sometimes the issue is not a dramatic all-nighter. It is a nightly drift. You mean to start winding down at 10:30, but there is one more task, one more email, or one more attempt to get your life in order. Then it is after midnight.
For some people, that drift is mostly delayed timing. For others, it is more about transitions or time blindness. If evenings repeatedly unravel around planning and follow-through, executive function coaching can sometimes help alongside sleep-specific care.
Doomscrolling, hyperfocus, or losing track of time
Phones are not the whole problem, but they are an easy way to keep an activated brain engaged. Doomscrolling can distract from stress, and hyperfocus can make sleep cues disappear.
A practical example: you pick up your phone because you feel too restless to sleep, then an hour disappears. Another: you sit down to “just finish one thing” and suddenly it is 1:00 a.m.
Feeling wrecked the next day but still repeating the cycle
The next morning, many people feel awful but cannot explain why the cycle repeats. Tired brains make judgment and self-control harder. Sleep inertia, the groggy period after waking, can also make mornings feel unusually heavy, especially when sleep is short or mistimed.[8]
☀️ Key takeaway: Trouble waking is not always laziness. Sleep inertia and a late body clock can make mornings feel hard.
ADHD, Stress, and Burnout at Bedtime
The brain finally notices everything at night
When you are moving all day, you may not fully register how overloaded you feel. Nighttime removes distractions. Suddenly your brain notices everything you were outrunning all day.
That is one reason bedtime can become emotionally loud. In specialized therapy, we often help people work on the stress loops around sleep, not just the sleep window itself.
Shame and backlog stress can keep the mind busy
Many adults with ADHD go to bed carrying self-criticism along with unfinished tasks. “Why am I behind again?” “How am I going to function tomorrow?” That kind of mental activity can keep insomnia going even when the original trigger was a late schedule or a hard week.[7]
Burnout can make sleep less restorative
Burnout does not always look dramatic. Sometimes it looks like sleeping but not feeling reset. Research on insomnia points to hyperarousal and stress sensitivity as reasons sleep can stay shallow, fragile, or unrefreshing.[1,7]
🔄 Key takeaway: Burnout can keep you stuck in a loop where sleep does not feel like real recovery. When that happens, support needs to target both the sleep pattern and the overload around it.
ADHD-Related Sleep Problems vs Classic Insomnia
Delayed sleep patterns
A delayed sleep pattern means your body wants to fall asleep and wake up later than your obligations allow. You may actually sleep fairly well on your preferred schedule, but struggle when work, school, or parenting forces an earlier one.[4-6]
Classic insomnia can look different. The main problem is difficulty falling asleep, staying asleep, or returning to sleep even when there is enough opportunity to sleep.
Sleep inertia and trouble waking
Sleep inertia is the foggy period after waking when alertness and performance are reduced.[8] If you also have a delayed sleep pattern, early alarms can feel brutal because you are being pulled awake at the wrong point in your sleep cycle.
Why overlap is common and worth sorting out
In adult ADHD, delayed timing, insomnia symptoms, and other sleep problems often overlap.[3-6] That is why a one-size-fits-all answer can miss the mark. If the main issue is insomnia, CBT-I may be central. If the main issue is a late body clock, timing-based strategies matter more. If both are present, the plan often needs both.
When you are not sure what is primary, our psychological assessments can help clarify the overlap.
Why Generic Sleep Advice Often Falls Flat
“Just go to bed earlier” is not a strategy
Earlier is not the same as sleepier. If your timing is delayed or your mind is activated, forcing an earlier bedtime can create more frustration than sleep.[1,4-7]
ADHD-friendly support needs to be realistic
Good support usually accounts for transitions, time blindness, sensory preferences, and shame.
Rigid routines can backfire when they ignore real barriers
Another misconception is that the answer is simply more rules. Rules can help, but only if they match the actual barrier.
🧩 Key takeaway: Sleep support works better when it fits the real problem. The goal is not a prettier routine. It is a routine you can actually use.
What Support Can Help
CBT-I and sleep-focused therapy
CBT-I is the first-line treatment for chronic insomnia in adults, and it targets the thoughts and behaviors that keep insomnia going.[1,2] That often includes stimulus control, sleep scheduling, and reducing the habits that teach the brain to stay awake in bed.[1]
If you are looking for CBT-I in Tennessee, we provide sleep-focused care for adults and teens across Tennessee by telehealth.[10]
Looking at executive function, stress, and habits together
For many people, sleep improves faster when treatment looks at more than one layer at once. That may include the late body clock, nighttime rumination, and executive-function bottlenecks. Our team includes clinicians who work with insomnia, ADHD, and related concerns, including Ryan Robertson for insomnia-focused care.[9-11]
Building workable routines instead of perfect routines
Workable routines are specific and humane. They protect the few steps that matter most instead of demanding flawless evenings forever.
🛠️ Key takeaway: The best routine is not the most impressive one. It is the one you can repeat on an average Tuesday.
Finding ADHD and Sleep Support in Tennessee
What to ask a provider
If you are searching for a sleep therapist in Tennessee, ask whether the provider can sort out insomnia versus delayed sleep timing, whether they use CBT-I, and whether they can adapt care for ADHD, burnout, anxiety, OCD, or autism when those are part of the picture.[1-7]
When to seek insomnia-focused care
It may be time to seek insomnia-focused care when your brain will not turn off at night, you spend 30 minutes or more lying awake most nights, or the cycle is affecting work, school, parenting, mood, or health.[1,2,10]
What next steps can look like
If you are in Tennessee and you keep bouncing between “this is just my ADHD” and “this has become real insomnia,” you do not have to sort that out alone. The next step may be sleep-focused therapy, broader ADHD support, or an assessment that clarifies the overlap. We offer telehealth care across Tennessee, and you can contact us here if you want help sorting out a practical next step.[10-13]
About the Author
Dr. Kiesa Kelly holds a PhD in Clinical Psychology with a concentration in Neuropsychology from Rosalind Franklin University of Medicine and Science. Her training included practica, internship, and an NIH-funded postdoctoral fellowship at the University of Chicago, the University of Wisconsin, the University of Florida, and Vanderbilt University. Dr. Kelly is a neuropsychologist by training and has more than 20 years of experience with psychological assessments; her NIH postdoctoral work focused on ADHD in both research and clinical settings.[12]
References
Edinger JD, Arnedt JT, Bertisch SM, Carney CE, Harrington JJ, Lichstein KL, 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
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://pubmed.ncbi.nlm.nih.gov/27136449/
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
Snitselaar MA, Smits MG, van der Heijden KB, Spijker J. Sleep and Circadian Rhythmicity in Adult ADHD and the Effect of Stimulants: A Review of the Current Literature. J Atten Disord. 2017;21(1):14-26. https://doi.org/10.1177/1087054713479663
Van Veen MM, Kooij JJS, Boonstra AM, Gordijn MCM, Van Someren EJW. Delayed circadian rhythm in adults with attention-deficit/hyperactivity disorder and chronic sleep-onset insomnia. Biol Psychiatry. 2010;67(11):1091-1096. https://doi.org/10.1016/j.biopsych.2009.12.032
Gamble KL, May RS, Besing RC, Tankersly AP, Fargason RE, Caldwell JA, et al. Delayed sleep timing and symptoms in adults with attention-deficit/hyperactivity disorder: a controlled actigraphy study. Chronobiol Int. 2013;30(4):598-606. https://doi.org/10.3109/07420528.2012.754454
Kalmbach DA, Cuamatzi-Castelan AS, Tonnu CV, Tran KM, Anderson JR, Roth T, et al. Hyperarousal and sleep reactivity in insomnia: current insights. Nat Sci Sleep. 2018;10:193-201. https://doi.org/10.2147/NSS.S138823
Hilditch CJ, McHill AW. Sleep inertia: current insights. Nat Sci Sleep. 2019;11:155-165. https://doi.org/10.2147/NSS.S188911
ScienceWorks Behavioral Healthcare. Insomnia. https://www.scienceworkshealth.com/insomnia
ScienceWorks Behavioral Healthcare. CBT-I for Insomnia in Tennessee. https://www.scienceworkshealth.com/info/cbt-i-for-insomnia-in-tennessee2
ScienceWorks Behavioral Healthcare. Ryan F.P. Robertson. https://www.scienceworkshealth.com/ryan-robertson
ScienceWorks Behavioral Healthcare. Kiesa Kelly, PhD. https://www.scienceworkshealth.com/kiesakelly
ScienceWorks Behavioral Healthcare. Contact. https://www.scienceworkshealth.com/contact
Disclaimer
This article is for educational purposes only and is not a diagnosis, medical advice, or a substitute for care from your licensed medical or mental health provider. If you have urgent safety concerns, severe sleepiness that could put you at risk, or symptoms such as breathing pauses during sleep, seek appropriate medical evaluation right away.
