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How Do Energy Levels Vary Between Individuals with ADHD and Those with Depression? 

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Updated
ByMy Patient Advice
Author: Avery Lombardi, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

Energy levels in ADHD vs depression can vary significantly, affecting daily functioning in different ways. While both conditions lead to fatigue, the underlying causes and experiences are unique to each. 

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Energy Levels in ADHD vs Depression 

In ADHD, energy levels can fluctuate throughout the day. People with ADHD may experience bursts of energy, particularly during stimulating tasks, but often struggle with cognitive fatigue. This mental exhaustion arises from the constant effort needed to focus, control impulses, and complete tasks. As a result, even individuals who appear energetic can feel drained after long periods of concentration. 

In contrast, depression typically causes persistent fatigue and low stamina. Individuals with depression often feel mentally and physically drained, regardless of how much rest they get. This fatigue is constant and can make even simple tasks feel overwhelming. Unlike ADHD, where energy may fluctuate, depression leads to a sustained sense of exhaustion. 

How It Feels: Key Symptoms of Low Energy 

Let’s have a look at the symptoms of low energy in DHD and depression; 

  • Energy in ADHD: Individuals with ADHD may experience bursts of energy but struggle with cognitive fatigue, especially during tasks requiring sustained focus. CBT and medication can help improve focus and manage energy levels. 
  • Energy in Depression: Fatigue in depression is persistent, often accompanied by emotional heaviness. This reduces overall stamina and makes daily activities feel exhausting. Antidepressants and therapy can help alleviate this sense of constant exhaustion. 

Understanding how energy levels in ADHD vs depression differ can guide effective treatment.  

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 Differential Diagnosis of ADHD.

Discover if you have ADHD
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
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. 

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