Does ADHD Cause Insomnia?

PostedSeptember 10, 2025

UpdatedSeptember 12, 2025

ByMy Patient Advice

Author: Victoria Rowe, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

Yes, ADHD causing insomnia is a common concern, as people with attention deficit hyperactivity disorder often experience disrupted sleep patterns. ADHD sleep problems can include difficulty falling asleep, staying asleep, or waking up too early. These issues are not just side effects of medication; they are often linked to the condition itself and how it affects brain function, emotional regulation, and daily routines.

How ADHD Leads to Insomnia

ADHD can lead to insomnia through racing thoughts, hyperactivity, and difficulty winding down at night.

Hyperactive Mind and Restlessness

Many people with ADHD have a “racing mind” at night, filled with thoughts and ideas that make it difficult to wind down. This mental restlessness, paired with physical hyperactivity, can delay the onset of sleep, contributing to insomnia caused by ADHD.

Poor Sleep Regulation

ADHD can affect the brain’s ability to regulate the sleep-wake cycle. Irregular routines, difficulty sticking to a bedtime schedule, and impulsive late-night activities can all disrupt natural sleep patterns.

Coexisting Conditions

Conditions often found alongside ADHD, such as anxiety, depression, or sensory sensitivities, can also contribute to ADHD sleep problems, making insomnia more likely and more severe.

Managing ADHD-Related Insomnia

Addressing ADHD causing insomnia often involves a combination of lifestyle changes and professional guidance. Good sleep hygiene, such as setting a consistent bedtime, limiting screen time before bed, and establishing a calming nighttime routine, can improve sleep quality. In some cases, therapy or medication adjustments may be needed to address both ADHD symptoms and sleep disruptions.

If you are experiencing insomnia related to ADHD, speaking with a healthcare provider can help you find u find personalised strategies to improve your rest. For more personalised advice consider reaching out to providers like ADHD Certify.

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Sleep Disorders.

Victoria Rowe, MSc

Author

Victoria Rowe is a health psychologist with a Master’s in Health Psychology and a BS in Applied Psychology. She has experience as a school psychologist, conducting behavioural assessments, developing individualized education plans (IEPs), and supporting children’s mental health. Dr. Rowe has contributed to peer-reviewed research on mental health, including studies on anxiety disorders and the impact of COVID-19 on healthcare systems. Skilled in SPSS, Minitab, and academic writing, she is committed to advancing psychological knowledge and promoting well-being through evidence-based practice.

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.