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Author

Ippei Okada

Observed name: 岡田, 一平
Institution: Nagoya University
ORCID: 0000-0003-4862-5889
Observed ORCID: 0000-0003-4862-5889
OpenAlex ID: A5033762484
A Study of Factors Causing Sleep State Misperception in Patients with Depression
2022 · Keita Kawai, Kunihiro Iwamoto, et al. · Nature and Science of Sleep · 30
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Prevalence of obstructive sleep apnea as assessed by polysomnography in psychiatric patients with sleep-related problems
2022 · Ippei Okada, Seiko Miyata, et al. · Sleep And Breathing · 22
Comparison of Polysomnography, Single-Channel Electroencephalogram, Fitbit, and Sleep Logs in Patients With Psychiatric Disorders: Cross-Sectional Study
2023 · Keita Kawai, Kunihiro Iwamoto, et al. · Journal of Medical Internet Research · 16
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FLUID study: study protocol for an open-label, single-centre pilot study to investigate the efFect of Lemborexant on sleep management in Japanese sUbjects aged 50 years and older with Insomnia Disorder
2021 · Ippei Okada, Kunihiro Iwamoto, et al. · BMJ Open · 15
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Assessing the Real-World, Long-Term Impact of Lemborexant on Sleep Quality in a Home-Based Clinical Study
2024 · Seiko Miyata, Kunihiro Iwamoto, et al. · Nature and Science of Sleep · 12
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MR Imaging Indices for Brain Interstitial Fluid Dynamics and the Effects of Orexin Antagonists on Sleep
2025 · Toshiaki Taoka, Kunihiro Iwamoto, et al. · Magnetic Resonance in Medical Sciences · 6
LPS and its relationship with subjective–objective discrepancies of sleep onset latency in patients with psychiatric disorders
2023 · Keita Kawai, Kunihiro Iwamoto, et al. · Scientific Reports · 5
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Gut Microbiome Composition Changes During Insomnia Treatment with Lemborexant
2025 · Seiko Miyata, Kunihiro Iwamoto, et al. · Nature and Science of Sleep · 3
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Effect of lemborexant on sleep-wake state discrepancy in participants with insomnia disorder
2025 · Kent Naito, Kunihiro Iwamoto, et al. · Psychopharmacology · 3
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Association of sleep-wake state discrepancy and depressive symptoms with restorative sleep in patients with depression
2025 · Keita Kawai, Kunihiro Iwamoto, et al. · Sleep Medicine · 2
0411 Long-term efficacy of lemborexant on objective sleep measures in clinical practice
2023 · Seiko Miyata, Kunihiro Iwamoto, et al. · SLEEP · 1
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Evaluation of Oculomotor Function Following Sleep Improvement With Lemborexant in Older Adults With Insomnia
2026 · Seiko Miyata, Keita Kawai, et al. · Human Psychopharmacology Clinical and Experimental
Investigation of the Long-term Effects of Lemborexant on Objective Sleep Measures Using a Miniature Electroencephalogram
2025 · *Seiko Miyata, Ippei Okada, et al. · The International Journal of Neuropsychopharmacology
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The relation between sleep indices and indices for brain interstitial fluid dynamics by MRI and the effects of orexin antagonists: a FLUID study.
2024 · Toshiaki Taoka, Kunihiro Iwamoto, et al. · Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition
Effects of Sleep-Disordered Breathing on Daytime Brain Activity in Community-Dwelling Older Adults
2024 · Hiroki Shibata, Akiko Noda, et al. · Sleep Science
0985 Comparison of Various Sleep Measurement Devices in Psychiatric Patients
2024 · Keita Kawai, Kunihiro Iwamoto, et al. · SLEEP
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Prevalence of obstructive sleep apnea as assessed by polysomnography in psychiatric patients with sleep-related problems
2022 · 岡田, 一平 · Nagoya University Repository (NAGOYA Repository)
Works count: 17
Citation count: 115
H-index: 6
I10-index: 5
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