x1=l1=r1=s1 experiences sleep paralysis including x2=l2 (event/experience)
I.e. becoming aware of muscle atonia (i.e. unability to move, speak or react) of falling asleep (hypnagogic) or awakening (hypnopompic). Often includes terrifying hallucinations (e.g. "night mare"). Cf. narslutroka'e, sajysne.