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May 5, 2021
Research on ADHD has extensively explored various aspects of the condition, yet surprisingly little attention has been devoted to its impact on romantic relationships. Despite over 25,000 articles on ADHD listed in PubMed, only a small number examine topics such as love, sex, and relationship dynamics.
One study by Brunner and colleagues analyzed ADHD symptoms and romantic relationship quality in 189 college students. The findings indicated that students with high levels of hyperactivity-impulsivity and inattentiveness reported lower relationship quality compared to peers with fewer ADHD symptoms. Similarly, a study of 497 college students revealed that ADHD symptoms were linked to the use of maladaptive coping strategies in relationships, resulting in reduced romantic satisfaction.
In research involving young adults, ADHD symptoms were associated with greater negativity and reduced positivity during conflict resolution tasks within romantic partnerships. Higher levels of ADHD symptoms were predictive of lower relationship satisfaction. However, couples where the ADHD partner displayed only inattentive symptoms experienced fewer relational challenges, suggesting that the severity and type of symptoms significantly influence outcomes.
Regarding sexual behavior, studies highlight distinct patterns among individuals with ADHD. Adolescents with ADHD, regardless of gender, report nearly double the number of lifetime sexual partners compared to their non-ADHD peers. These findings align with research by Barkley and colleagues, who observed that ADHD predicted earlier sexual activity and parenthood. Similarly, Flory and colleagues, in a retrospective study, found that childhood ADHD was associated with earlier sexual initiation, more sexual partners, casual relationships, and unintended pregnancies.
A broader study of over 1,000 adults found that ADHD was associated with less stability in romantic relationships, difficulty providing emotional support, higher rates of sexual dysfunction, and increased divorce rates.
Although the body of research on ADHD and romantic relationships is relatively small, it consistently highlights the significant impact of ADHD on love, sex, and relational dynamics, often presenting unique challenges for those affected.
Bruner, M. R., A. D. Kuryluk, et al. (2014)."Attention-Deficit/Hyperactivity Disorder Symptom Levels and RomanticRelationship Quality in College Students." J Am Coll Health: 1-11.
Biederman, J., S. V. Faraone, et al. (2006)."Functional impairments in adults with self-reports of diagnosed ADHD: A controlled study of 1001 adults in the community." J Clin Psychiatry67(4):524-540.
Canu, W. H., L. S. Tabor, et al. (2014)."Young Adult Romantic Couples' Conflict Resolution and Satisfaction Varieswith Partner's Attention-Deficit/Hyperactivity Disorder Type." JMarital FamTher40(4): 509-524.
Rokeach, A. J. Wiener (2014). "The Romantic Relationships of Adolescents with ADHD." J Atten Disord.
Barkley, R. A., M. Fischer, et al. (2006). "Young adult outcome of hyperactive children: adaptive functioning in major life activities." J Am Acad Child AdolescPsychiatry45(2): 192-202.
Flory, K., B. S.Molina, et al. (2006). "Childhood ADHD predicts risky sexual behavior in young adulthood." J Clin Child AdolescPsychol35(4): 571-577.
Overbey, G. A., W. E. Snell, Jr., et al. (2011)."Subclinical ADHD, stress, and coping in romantic relationships of university students." J Atten Disord 15(1): 67-78.
Oppositional Defiant Disorder (ODD)—a pattern of chronic irritability, anger, arguing, or defiance—is one of the most challenging behavioral conditions families and clinicians face.
A new study involving 2,400 children ages 3–17 offers one of the clearest pictures yet. Using parent-reported data from the Pediatric Behavior Scale, researchers compared how often ODD appears in Autism spectrum disorder (ASD), ADHD-Combined presentation (ADHD-C), ADHD-Inattentive presentation (ADHD-I), and those with both ASD and ADHD.
Results:
Children with ADHD-Combined presentation show both hyperactivity/impulsivity and inattention. They had the highest ODD rates of any single diagnosis: 53% of kids with ADHD-Combined met criteria for ODD.
But when autism was added to ADHD-Combined, the prevalence jumped to 62%. This group also had the highest overall ODD scores, suggesting more severe or more impairing symptoms.
This synergy matters: while autism alone increases ODD risk, the presence of ADHD-Combined is what pushes prevalence into the majority range. Other groups showed lower, but still significant, rates of ODD:
These findings echo what clinicians often see: children with inattentive ADHD, while struggling significantly with attention and learning, tend to show fewer behavioral conflict patterns than those with hyperactive/impulsive symptoms.
It is important to note that ODD is considered to have two main components. Across all diagnostic groups, ODD consistently broke down into these two components: either Irritable/Angry (emotion-based) or Oppositional/Defiant (behavior-based). But the balance between these components differed depending on diagnosis. Notably, Autism + ADHD-Combined showed higher levels of the irritable/angry component than ADHD-Combined alone. The oppositional/defiant component did not differ much between groups. This suggests that autism elevates the emotional side of ODD more than the behavioral side, which is important for clinicians to note before tailoring interventions.
The study notes that autism, ADHD, and ODD often cluster together, with 55–90% comorbidity in some combinations.
As the authors explain, “The high co-occurrence of ADHD-Combined in autism (80% in our study) largely explains the high prevalence of ODD in autism.”
Clinical Implications: Why This Study Matters
The researchers point to a straightforward recommendation: clinicians shouldn’t evaluate these conditions in isolation. A child referred for autism concerns might also be struggling with ADHD. A child referred for ADHD might have undiagnosed ODD. And ignoring one disorder can undermine treatment for the others.
Evidence-based interventions (behavioral therapy, parent training, school supports, and/or medication) can reduce symptoms across all three diagnoses while improving long-term outcomes, including overall quality of life.
Background:
Sleep is more than simple rest. When discussing sleep, we tend to focus on the quantity rather than the quality, how many hours of sleep we get versus the quality or depth of sleep. Duration is an important part of the picture, but understanding the stages of sleep and how certain mental health disorders affect those stages is a crucial part of the discussion.
Sleep is an active mental process where the brain goes through distinct phases of complex electrical rhythms. These phases can be broken down into non-rapid eye movement (NREM) and rapid eye movement (REM). The non-rapid eye movement phase consists of three stages of the four stages of sleep, referred to as N1, N2(light sleep), and N3(deep sleep). N4 is the REM phase, during which time vivid dreaming typically occurs.
Two of the most important measurable brain rhythms occur during non-rapid eye movement (NREM) sleep. These electrical rhythms are referred to as slow waves and sleep spindles. Slow waves reflect deep, restorative sleep, while spindles are brief bursts of brain activity that support memory and learning.
The Study:
A new research review has compiled data on how these sleep oscillations differ across psychiatric conditions. The findings suggest that subtle changes in nightly brain rhythms may hold important clues about a range of disorders, from ADHD to schizophrenia.
The Results:
People with ADHD showed increased slow-spindle activity, meaning those brief bursts of NREM activity were more frequent or stronger than in people without ADHD. Why this happens isn’t fully understood, but it may reflect differences in how the ADHD brain organizes information during sleep. Evidence for slow-wave abnormalities was mixed, suggesting that deep sleep disruption is not a consistent hallmark of ADHD.
Among individuals with autism spectrum disorder (ASD), results were less consistent. However, some studies pointed to lower “spindle chirp” (the subtle shift in spindle frequency over time) and reduced slow-wave amplitude. Lower amplitude suggests that the brain’s deep-sleep signals may be weaker or less synchronized. Researchers are still working to understand how these patterns relate to sensory processing, learning differences, or daytime behavior.
People with depression tended to show reduced slow-wave activity and fewer or weaker sleep spindles, but this pattern appeared most strongly in patients taking antidepressant medications. Since antidepressants can influence sleep architecture, researchers are careful not to overinterpret the changes. Nevertheless, these changes raise interesting questions about how both depression and its treatments shape the sleeping brain.
In post-traumatic stress disorder (PTSD), the trend moved in the opposite direction. Patients showed higher spindle frequency and activity, and these changes were linked to symptom severity which suggests that the brain may be “overactive” during sleep in ways that relate to hyperarousal or intrusive memories. This strengthens the idea that sleep physiology plays a role in how traumatic memories are processed.
The clearest and most reliable findings emerged in psychotic disorders, including schizophrenia. Across multiple studies, individuals showed: Lower spindle density (fewer spindles overall), reduced spindle amplitude and duration, correlations with symptom severity, and cognitive deficits.
Lower slow-wave activity also appeared, especially in the early phases of illness. These results echo earlier research suggesting that sleep spindles, which are generated by thalamocortical circuits, might offer a window into the neural disruptions that underlie psychosis.
The Take-Away:
The review concludes with a key message: While sleep disturbances are clearly present across psychiatric conditions, the field needs larger, better-standardized, and more longitudinal studies. With more consistent methods and longer follow-ups, researchers may be able to determine whether these oscillations can serve as reliable biomarkers or future treatment targets.
For now, the take-home message is that the effects of these mental health disorders on sleep are real and measurable.
Many studies have shown that ADHD is associated with increased risks of suicidal behavior, substance misuse, injuries, and criminality. As we often discuss in our blogs, treatments for ADHD include medication and non-medication options, such as CBT (Cognitive Behavioral Therapy). While non-drug approaches are often used for young children or mild cases of ADHD, medications – both stimulants and non-stimulants – are common for adolescents and adults.
Global prescriptions for ADHD drugs have risen significantly in recent years, raising questions about their safety and effectiveness. Randomized controlled trials have demonstrated that medication can help reduce the core symptoms of ADHD. However, research from these trials still offers limited or inconclusive insights into wider and more significant clinical outcomes, such as suicidal behavior and substance use disorder.
An international study team conducted a nationwide population study using the Swedish national registers. Sweden has a single-payer national health insurance system, which covers nearly every resident, enabling such studies. The researchers examined all Swedish residents aged 6 to 64 who received their first ADHD diagnosis between 2007 and 2018. Analyses of criminal behavior and transport accidents focused on a subgroup aged 15 to 64, since individuals in Sweden must be at least 15 years old to be legally accountable for crimes or to drive.
The team controlled for confounding factors, including demographics (age at ADHD diagnosis, calendar year, sex, country of birth, highest education (using parental education for those under 25), psychiatric and physical diagnoses, dispensations of psychotropic drugs, and health care use (outpatient visits and hospital admissions for both psychiatric and non-psychiatric reasons).
Time-varying covariates from the previous month covered diagnoses, medication dispensations, and healthcare use. During the study, ADHD treatments licensed in Sweden included amphetamine, atomoxetine, dexamphetamine, guanfacine, lisdexamphetamine, and methylphenidate.
After accounting for covariates, individuals diagnosed with ADHD who received medication treatment showed better outcomes than those who did not. Specifically:
-Suicidal behaviors dropped by roughly 15% in both first-time and recurrent cases.
-Initial criminal activity decreased by 13%, with repeated offences falling by 25%.
-Substance abuse initiation declined by 15%, while recurring substance abuse was reduced
by 25%.
-First automotive crashes were down 12%, and subsequent crashes fell by 16%.
There was no notable reduction in first-time accidental injuries, and only a marginally significant 4% decrease in repeated injuries.
The team concluded, “Drug treatment for ADHD was associated with beneficial effects in reducing the risks of suicidal behaviours, substance misuse, transport accidents, and criminality, but not accidental injuries when considering first event rate. The risk reductions were more pronounced for recurrent events, with reduced rates for all five outcomes.”
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