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 further investment, but each additional unit of production will generally tend to be of less utility (and therefore less value) to the market, causing the overall rate of profit to fall absent any technological innovation increasing productivity. The commodity in question will lose its appeal to investors, who will then invest in other, newer lines of production offering higher returns. Profit outcomes therefore depend on what investors choose to invest in, and on what consumers choose to buy, given the state of the market (though this could be influenced by extra-economic factors). Hence, there exists no inevitable tendency for the