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 examined what the division of the total newly produced surplus value would be, among producing enterprises with varying capital compositions, on the hypothetical assumption of a "uniform" profit rate established by free competition. Under Marxism–Leninism and Sraffianism, the "uniform rate of profits" was often taken as the literal truth. Marx himself knew very well though that a uniform profit rate (a "general profit rate", e.g. a 10% net profit on all production capital) did not truly exist in the real world, except as a tendency in the competitive process, as a norm for acceptable returns, or as a statistical average.