Mental or Behavioral Dysfunction
confusional arousal
Definitions related to confusional arousals:
  • A nocturnal episode is characterized by disorientation, grogginess, and, at times, significant agitation upon awakening from slow-wave sleep or following forced awakenings.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • Disorganized thinking, disorientation, or inappropriate responsiveness to external stimuli that occurs during and after awakening.
    NCI
    U.S. National Cancer Institute, 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.