Narcolepsy the French "narcolepsie". The French term was first used in 1880 by Jean-Baptiste-Édouard Gélineau, who used the Greek νάρκη ("narkē"), meaning "numbness", and λῆψις ("lepsis") meaning "attack". There are two main characteristics of narcolepsy: excessive daytime sleepiness and abnormal REM sleep. The first, excessive daytime sleepiness (EDS), occurs even after adequate night time sleep. A person with narcolepsy is likely to become drowsy or fall asleep, often at inappropriate times and places, or just be very tired throughout the day. Narcoleptics are not able to experience the amount of restorative deep sleep that healthy people experience – they are not
Tendency of the rate of profit to fall to give a causal explanation for it in terms of his theory of capital accumulation. In "Capital, Volume III", Marx described the TRPF as "the mystery around which the whole of political economy since Adam Smith revolves" and in a letter he called his own TRPF theory "one of the greatest triumphs" over all previous economics. The tendency is already foreshadowed in chapter 25 of "Capital, Volume I" (on the "general law of capital accumulation"), but in Part 3 of the draft manuscript of Marx's "Capital, Volume III", edited posthumously for publication by Friedrich Engels, an extensive analysis is provided.