Abstract

AbstractObjectiveTo understand that tinnitus may be an aura for sleep paralysis.BackgroundSleep paralysis is a transient-paralysis which occurs during awakening or falling asleep (Wilson, 1928). Those affected experience symptoms including visual, auditory, and haptic hallucinations, voluntary motor paralysis with intact ocular and respiratory motor movements, and diffuse or localized paresthesias. Sleep paralysis associated with tinnitus as an aura, has not heretofore been described.MethodsA 34 year-old, right-handed female presented with a 13 year history of sleep paralysis. One month prior, she began to notice tinnitus prior to the onset of sleep paralysis. The tinnitus was bilateral, high-pitched, with a volume intensity of 5/10, lasting seven seconds prior to sleep initiation. She denied hearing loss, vertigo, dizziness, cataplexy, deja vu and jamais vu. After termination of tinnitus, she experienced paresthesia, “like at a dentist’s office” radiating from her posterior neck, to her tongue and down to her toes. She described seeing a white-shadowy male figure moving around her room, lasting seven seconds. Accompanied by a masculine “ahh” sound, lasting for three seconds. The sleep paralysis occurred after these events, lasting up to eight hours, or until her husband wakes her.ResultsAbnormalities in Physical Examination: General Examination: right arm hemangioma 4 by 5cm. Reflexes: absent bilateral brachioradialis, 1+ bilateral quadriceps femoris and bilateral Achilles tendon. Neuropsychiatric Examination: Calibrated Finger Rub Auditory Screening Test: faint 70 AU (normal).DiscussionTinnitus has been described as an aura for migraines (Schankin, 2014), temporal lobe epilepsy (TLE) (Florindo, 2006), and narcolepsy-cataplexy (Marco, 1978). These epochs may represent amigranous migraines, which initially present with tinnitus that occurs both during the day and night, forcing the patient to be partially awoken at night with induction of the sleep paralysis sequence. It would be worthwhile to query those with narcolepsy or sleep paralysis if tinnitus precedes the event.

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