"Adult attention-deficit/hyperactivity disorder ( ADHD) has a global prevalence of 3.1% (Ayano et al., 2023b); the pediatric prevalence is approximately 8% worldwide (Ayano et al., 2023a). In a survey of American adults, approximately 6% (15.5 million) reported a diagnosis of ADHD. Half of those adults with ADHD received their diagnosis in adulthood (Staley et al., 2024). Worldwide prevalence of ADHD has remained stable since COVID-19 (Martin et al., 2025). Despite evidence that ADHD prevalence has remained stable, there has been a rise in adults believing they have ADHD, with one survey noting 1 in 4 adults suspecting they have ADHD (Scahill & Kistler, 2024)."
"Sleep: Disordered sleep impacts many areas of cognitive functioning, including mood, memory, attention, sensory perception, and reasoning (Rodrigues & Shigaeff, 2022). Individuals who are sleep deprived often experience more instances of forgetfulness, distractibility, and slow cognitive processing. Studies have also found that sleep deprivation is related to impulsive behavior (Demos et al., 2016). Correcting sleep patterns can be the first step in treatment of attention problems and impulsivity."
Adult ADHD affects about 3.1% of adults globally, while pediatric prevalence is about 8% worldwide. Approximately 6% of American adults report an ADHD diagnosis, with half receiving that diagnosis in adulthood. Global prevalence has remained stable since COVID-19, although self-reported suspicion of having ADHD has increased. Diagnostic criteria require symptoms to begin before age 12, though functional impairment may appear later. Many instances of inattention or impulsivity stem from other lifestyle, medical, or psychiatric factors. Disordered sleep degrades attention, memory, mood, perception, and reasoning, and correcting sleep can be an initial treatment step. Electronic devices can also directly impact attention.
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