Medically reviewed by Arno Kroner, DAOMA hypnic jerk is a sudden involuntary twitch or muscle contraction that occurs as you ...

So what is going on? In this article, we aim to find out: Sleep paralysis demons are nightmarish hallucinations that often accompany episodes of sleep paralysis. This occurs when the temporary ...

waking "sleep," hallucinations, autonomic disturbances suggestive of sympathetic overdrive (tachycardia, hypertension, hyperhidrosis, hyperthermia), a rise in circulating catecholamine levels ...

Two days without sleep can cause you to start losing your grip on reality. Hallucinations worsen, and you might even undergo depersonalization. That's the feeling that reality is slipping away ...

which suppress REM sleep and can ease the symptoms of cataplexy, hallucinations and sleep paralysis — as well as antidepressants and other medications. Besides medication, lifestyle changes ...

Similar to Hebb's subjects, upon awakening DF experienced disturbing hallucinations, - with the subjective uncertainty as to whether he was awake or dead. As always, long periods of sleep restored ...