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May 10, 2026SLEEP

1360 Actigraphy-Supported Diagnosis of Kleine–Levin Syndrome in an Adolescent with Recurrent Hypersomnia

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Authors

LLLiz LezamaKCKathy ChanSMSujith Modugula

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Overview

Case report demonstrates actigraphy supports hypersomnia diagnosis in adolescent, indicating its clinical value.

Key Points

  • To illustrate the utility of actigraphy in diagnosing Kleine-Levin syndrome in an adolescent with recurrent hypersomnia.
  • Case report of a 16-year-old male with recurrent hypersomnia episodes over two years.
  • Wrist actigraphy used during symptomatic episodes to measure sleep–wake patterns.
  • Polysomnography conducted to evaluate sleep quality and rule out narcolepsy.
  • Actigraphy showed prolonged total sleep time (15–20 hours/day) and disrupted sleep patterns.
  • Polysomnography indicated mild obstructive sleep apnea; sleep latency test ruled out narcolepsy.
  • Findings, combined with clinical history, supported Kleine-Levin syndrome diagnosis.

Cite This Study

Lezama et al. (2026) studied this question.

synapsesocial.com/papers/6a002222c8f74e3340f9d143https://doi.org/10.1093/sleep/zsag091.1359
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