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Patients with traumatic brain injury are at high risk of developing chronic sleep–wake disturbances
  1. Nadia Gosselin1,2,3,
  2. Myriam Tellier3
  1. 1Montreal Neurological Institute, Montreal, Canada
  2. 2Department of Neurology and Neurosurgery, McGill University, Montreal, Canada
  3. 3Hôpital du Sacré-Coeur de Montréal, Montreal, Canada
  1. Correspondence to Dr Nadia Gosselin, Montreal Neurological Institute and Hospital, Cognitive Neuroscience Unit, Room 276, 3801 University, Montreal H3A 2B4, Canada; nadia.gosselin{at}mcgill.ca

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Traumatic brain injury (TBI) is a major public health concern in part because its incidence is estimated at more than 600/100 000 individuals, but also because it can result in long-term cognitive, physical, neurobehavioural and psychological impairments. Sleep–wake disturbances, particularly fatigue, hypersomnia and insomnia, are among the most severe, the most persistent and the most disabling symptoms after TBI. They affect at least 50% of this population and are present across the range of TBI severity. However, whether post-traumatic sleep–wake disturbances improve or persist over time remains unclear. The paper by Kempf et al1 (see page 1402) presents a prospective study on 51 …

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