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Sleep disorders and attention: a systematic review.

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Sleep disorders significantly impair attentional performance, particularly sustained attention. More research is needed to fully understand this complex relationship between sleep and cognitive function.

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Area of Science:

  • Neuroscience
  • Cognitive Psychology

Background:

  • Sleep is a crucial physiological state impacting overall brain function.
  • Sleep deprivation affects various brain regions, but its specific impact on attention requires further investigation.
  • Understanding the correlation between sleep disorders and attention is vital for neurological health.

Purpose of the Study:

  • To systematically review the existing literature on the relationship between sleep disorders and attentional performance.
  • To identify specific types of attention most affected by sleep disturbances.

Main Methods:

  • A systematic review of articles published in the last 10 years from PubMed, SciELO, and Cochrane databases.
  • Keywords used included 'sleep,' 'attention,' and 'attentional performance.'
  • Inclusion criteria focused on studies utilizing attention tests and diagnosing sleep disorders; 15 articles were selected from 1398 initial findings.

Main Results:

  • While research on sleep and sleep disorders is growing, it remains limited.
  • Individuals with sleep disorders consistently demonstrate poorer performance on attention tasks, especially sustained attention.
  • Further investigation is warranted due to the heterogeneity of sleep disorders, small study sample sizes, and varied use of standardized tests.

Conclusions:

  • A significant correlation exists between sleep and attention, though the extent of this relationship is not fully elucidated.
  • Limited research specifically addresses how sleep disorders interfere with attentional capacities.