Why does being late or early upset me so much when I have ADHD 

Many adults with ADHD find themselves caught between feeling anxious about being late and equally uneasy when they arrive too early. This reaction is not simply about timekeeping; it reflects a deeper mix of time perception differences, executive function challenges, and emotional sensitivity that define the ADHD experience. According to NHS guidance, ADHD affects focus, organisation, and self-regulation, all of which influence how we plan, judge, and emotionally respond to time. 

Time perception and emotional response in ADHD 

Research shows that adults with ADHD often experience “time blindness,” a distorted sense of how long things take. A 2023 PubMed review on time perception in adult ADHD found that many people with ADHD genuinely misjudge durations, which explains why being late is rarely deliberate. When lateness leads to social embarrassment or criticism, it can trigger strong emotional reactions linked to rejection sensitivity. 

A 2024 study in Frontiers in Psychology on rejection sensitivity and ADHD reported that adults with higher ADHD symptom scores were more likely to feel shame, guilt, or fear of being judged when they let others down. These emotions can make punctuality, or even the anticipation of being late, feel disproportionately stressful. 

Executive function, anxiety, and coping 

According to NICE guideline NG87, difficulties with organisation, time management, and emotional regulation are common in adults with ADHD. Executive-function deficits make it harder to sequence tasks, switch attention, and initiate action, all skills needed to arrive on time. Even when someone compensates by leaving early, long waiting times can heighten restlessness and self-consciousness. 

Services like ADHD Certify offer post-diagnostic reviews and psychoeducation that align with NICE recommendations, helping people understand why lateness is not a moral flaw but a manageable part of their condition. Many NHS-linked programmes also recommend CBT-based interventions that combine skills training and self-compassion to reduce stress around punctuality. 

CBT and coaching techniques, as noted by Frontiers in Psychiatry, teach practical tools such as using planners, alarms, and structured routines. These interventions can ease anxiety and reduce the emotional crash that often follows being late or early. 

Ultimately, feeling upset about time is not about carelessness; it reflects how ADHD changes the brain’s relationship with time, motivation, and self-perception. Recognising this pattern allows adults with ADHD to approach punctuality with more understanding and less self-criticism. 

Key takeaway 

Feeling anxious or upset about being late or early is common among adults with ADHD because of time blindness, executive-function challenges, and emotional sensitivity. Understanding these mechanisms, and using evidence-based coping approaches such as CBT, structured routines, and psychoeducation, can make punctuality less emotionally charged and more manageable over time. 

Harriet Winslow, BSc

Author

Harriet Winslow is a clinical psychologist with a Bachelor’s in Clinical Psychology and extensive experience in behaviour therapy and developmental disorders. She has worked with children and adolescents with ADHD, autism spectrum disorder (ASD), learning disabilities, and behavioural challenges, providing individual and group therapy using evidence-based approaches such as CBT and DBT. Dr. Winslow has developed and implemented personalised treatment plans, conducted formal and informal assessments, and delivered crisis intervention for clients in need of urgent mental health care. Her expertise spans assessment, treatment planning, and behavioural intervention for both neurodevelopmental and mental health conditions.

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.