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Are Individuals with Both Conditions at Higher Risk for Sleep Disorders? 

Posted:    Author:  

Hannah Smith, MSc

   Reviewed by:  

Dr. Rebecca Fernandez, MBBS

Sleep disorders in ADHD and anxiety are a common and often overlooked challenge. People with ADHD frequently struggle with regulating their sleep-wake cycle, while anxiety can make it difficult to fall or stay asleep due to racing thoughts and physical tension. When the two conditions occur together, the likelihood of developing sleep-related issues such as insomnia, restless sleep, and fatigue increases significantly. 

Poor sleep doesn’t just affect rest, it can worsen symptoms of both ADHD and anxiety, creating a vicious cycle where reduced sleep quality leads to greater emotional instability, cognitive difficulties, and stress. 

How ADHD and Anxiety Contribute to Sleep Disorders 

Here are some of the main ways these conditions affect sleep: 

Insomnia from Overactive Thinking  

Anxiety can cause persistent worry at night, while ADHD-related hyperactivity or mental restlessness can keep the brain active long after bedtime. 

Restless Sleep from Impulsivity and Stress  

ADHD-related movement and an overactive nervous system can lead to tossing and turning, while anxiety can cause heightened physical arousal, making deep sleep harder to achieve. 

Fatigue and Daytime Impairment  

Even if total sleep hours seem adequate, poor quality or fragmented sleep can result in daytime fatigue, reduced focus, and irritability, further aggravating ADHD and anxiety symptoms. 

Feedback Loop Between Symptoms and Sleep  

Sleep deprivation worsens emotional regulation, making anxiety spikes more frequent, while also intensifying ADHD’s impulsivity and inattention. 

Conclusion 

Sleep disorders in ADHD and anxiety are closely linked, with insomnia, restless sleep, and fatigue both contributing to and worsening symptoms. Addressing sleep health should be a key part of any treatment plan. 

For more on improving sleep with ADHD and anxiety, visit ADHD Certify. For further guidance on managing related symptoms, read our complete guide to Anxiety disorders.

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Hannah Smith, MSc
Written By Hannah Smith, MSc

Hannah Smith is a clinical psychologist with a Master’s in Clinical Psychology and over three years of experience in behaviour therapy, special education, and inclusive practices. She specialises in Applied Behavior Analysis (ABA), Cognitive Behavioural Therapy (CBT), and inclusive education strategies. Hannah has worked extensively with children and adults with Autism Spectrum Disorder (ASD), ADHD, Down syndrome, and intellectual disabilities, delivering evidence-based interventions to support development, mental health, and 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 author's privacy. 
Dr. Rebecca Fernandez, MBBS
Reviewed By Dr. Rebecca Fernandez, MBBS

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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Autism desk