English edit

Etymology edit

micro- +‎ arousal

Noun edit

microarousal (countable and uncountable, plural microarousals)

  1. A brief minor arousal from the state of sleep.
    • 2015 July 21, Diego Alvarez-Estevez, Vicente Moret-Bonillo, “Computer-Assisted Diagnosis of the Sleep Apnea-Hypopnea Syndrome: A Review”, in Sleep Disorders[1], volume 2015, →DOI:
      These associated microarousals break up the normal sleep structure preventing a refreshing rest.