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
Actualizing tendency or unfavourable, the behaviours of an organisms can be counted on to be in the direction of maintaining, enhancing, and reproducing itself. This is the very nature of the process we call life." Fundamentally, therefore, actualization is not something that an organism does, or has, but what it is. In his "theory of personality and behaviour", published in 1951, Rogers presented 19 propositions, the fourth of which holds that: "The organism has one basic tendency and striving – to actualize, maintain, and enhance the experiencing organism". Rogers regarded the actualizing tendency as the fundamental motivational driver of all human development,