Assertion: hypnic jerk | /r/RelatedTo | rapid heartbeat
Facets:
Source sentences:
text: Hypnic jerks are associated with a rapid heartbeat, quickened breathing, sweat, and sometimes "a peculiar sensory feeling of 'shock' or 'falling into the void'".
text: But scientists have observed that hypnic jerks are associated with a rapid heartbeat, quickened breathing, sweat, and sometimes "a peculiar sensory feeling of 'shock' or 'falling into the void.'