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Does fatigue increase zoning out in ADHD? 

Author: Avery Lombardi, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

If you’ve noticed that your focus slips or you zone out more when you’re tired, you’re not imagining it. ADHD fatigue can definitely make attention difficulties worse. Fatigue doesn’t just make you feel sluggish; it can exacerbate the forgetfulness and attention difficulties that are already common in ADHD

When you’re tired, your brain has less energy to stay alert and focused, which can make it even harder to stay present in conversations, tasks, or meetings. The more fatigued you are, the more likely it is that you’ll lose track of what you were doing or start mentally checking out. 

How fatigue affects ADHD symptoms 

Here’s how ADHD fatigue contributes to increased zoning out and forgetfulness: 

Decreased mental energy  

When you’re tired, your brain’s ability to process and retain information decreases. That means tasks and thoughts are more easily forgotten. 

Reduced attention span  

Fatigue leads to quicker lapses in focus, making it harder to concentrate on anything for an extended period. 

Increased distractibility  

When you’re exhausted, your ability to filter out distractions weakens, causing your attention to wander more frequently. 

Memory struggles  

Fatigue also hampers your working memory, making it harder to hold onto and recall important details, leading to mental blanks and forgetfulness. 

In conclusion, managing fatigue is an important part of managing ADHD. Adequate sleep, proper self-care, and a routine that includes rest can help reduce the impact of fatigue.  

Visit providers like ADHD Certify for personal consultations and expert guidance tailored to your unique situation. 

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Zoning out & Forgetfulness in ADHD.  

Avery Lombardi, MSc, author for my patient advice - mypatientadvice.co.uk
Avery Lombardi, MSc
Author

Avery Lombardi is a clinical psychologist with a Master’s in Clinical Psychology and a Bachelor’s in Psychology. She has professional experience in psychological assessment, evidence-based therapy, and research, working with both child and adult populations. Avery has provided clinical services in hospital, educational, and community settings, delivering interventions such as CBT, DBT, and tailored treatment plans for conditions including anxiety, depression, and developmental disorders. She has also contributed to research on self-stigma, self-esteem, and medication adherence in psychotic patients, and has created educational content on ADHD, treatment options, and daily coping strategies.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the author's privacy. 

Dr. Rebecca Fernandez, MBBS, author and a reviewer for my patient advice - mypatientadvice.co.uk
Dr. Rebecca Fernandez, MBBS
Reviewer

Dr. Rebecca Fernandez is a UK-trained physician with an MBBS and experience in general surgery, cardiology, internal medicine, gynecology, intensive care, and emergency medicine. She has managed critically ill patients, stabilised acute trauma cases, and provided comprehensive inpatient and outpatient care. In psychiatry, Dr. Fernandez has worked with psychotic, mood, anxiety, and substance use disorders, applying evidence-based approaches such as CBT, ACT, and mindfulness-based therapies. Her skills span patient assessment, treatment planning, and the integration of digital health solutions to support mental well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the reviewer's privacy.