Why People with ADHD Can’t Sleep (and What Actually Helps) | Hyperfocus

Why It Matters

Poor sleep compounds ADHD symptoms and has cascading effects on cognition, mood, productivity and physical health; low-cost, evidence-aligned interventions can restore sleep timing and reduce functional impairment. Implementing light-based and environmental changes offers an accessible way for individuals and clinicians to mitigate a major driver of ADHD-related dysfunction.

Summary

About 80% of people with ADHD experience sleep problems, driven largely by delayed circadian rhythms that make them natural night owls and misaligned with typical morning-focused society. That delay—about 75% of people with ADHD have rhythms shifted roughly 90 minutes later—causes difficulty falling asleep, staying asleep, and waking early, which in turn worsens attention, emotional regulation, and daily functioning. Experts recommend practical entrainment strategies such as wearing amber-lensed glasses two to three hours before bedtime to simulate sunset, creating complete darkness during sleep (eye masks or blackout), and aligning schedules where possible. These simple behavioral and light-management interventions can significantly improve sleep continuity and daytime performance for people with ADHD.

Original Description

If you have ADHD, you’re probably exhausted — and there’s a real neurological reason for it. Sleep expert Marlee Boyle, co-founder of Sleep Works, joins us to explain why ADHD brains are wired against a good night’s rest. Plus how perimenopause can make it worse. She walks us through CBT-I techniques, the truth about melatonin, and some surprisingly low-tech tools that can fix your circadian rhythm. If you have trouble falling asleep or staying asleep, this one is for you.

For more on this topic

Watch: ADHD and sleep: 5 strategies to finally beat insomnia https://youtu.be/xFb-ExrRoKs?si=OBgrWXnjqRSoY0Hr

Listen: PMDD: Why women with ADHD are 4x more likely to struggle https://www.understood.org/en/podcasts/hyperfocus/adhd-and-pmdd

For a transcript and more resources, visit Hyperfocus on Understood.org. https://www.understood.org/en/podcasts/hyperfocus/adhd-sleep-what-helps

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