List Diseases – N
Narcolepsy is characterized by pathological daytime drowsiness, often combined with episodes of sudden loss of muscle tone (cataplexy), sleep paralysis and hypnagogic phenomena.
Probably, with each at least once in a lifetime there was such a nuisance as a bruised nail. Wild, throbbing pain, a blue nail plate that slides with time and does not grow long again - the spectacle is not pleasant.