For printing our articles please copy the web page by highlighting the text first-then click copy in the browser-paste the article into a word program on your computer. When the text is transferred into word, click to save or print. The word hypnosis is derived from the Greek word hypnos, meaning sleep.... hypnotism is a means of bringing on an artificial state of sleep to the participant ...more accurately described as a state of reduced consciousness while one is a awake. 
http://www.letusreason.org/Nam3.htm
Self-hypnosis happens when a person hypnotises oneself, commonly involving the use of autosuggestion. The technique is often used to increase motivation for a diet, quit smoking, or reduce stress.
https://en.wikipedia.org/wiki/Hypnosis
Hypnosis is usually induced by a procedure known as a hypnotic induction involving a series of preliminary instructions and suggestions. The use of hypnotism for therapeutic purposes is referred to as  hypnotherapy , while its use as a form of entertainment for an audience is known as  stage hypnosis .
https://en.wikipedia.org/wiki/Hypnosis
Altered state theories see hypnosis as an altered state of mind or trance, marked by a level of awareness different from the ordinary conscious state. In contrast, Non-state theories see hypnosis as a form of imaginative role-enactment.
https://en.wikipedia.org/wiki/Hypnosis
The English word  hypnosis  is derived from his name, referring to the fact that when hypnotized, a person is put into a sleep-like state (hypnos sleep + -osis condition). The class of medicines known as  hypnotics  which induce sleep also take their name from Hypnos.
https://en.wikipedia.org/wiki/Hypnos
The term hypnosis comes from the Ancient Greek word ὕπνος hypnos, sleep, and the suffix -ωσις - osis, or from ὑπνόω hypnoō, put to sleep (stem of aorist hypnōs -) and the suffix-is.
https://en.wikipedia.org/wiki/Hypnosis
Hypnosis typically involves an introduction to the procedure during which the subject is told that suggestions for imaginative experiences will be presented. The hypnotic induction is an extended initial suggestion for using one's imagination, and may contain further elaborations of the introduction.
https://en.wikipedia.org/wiki/Hypnosis
Yet Hypnosis is nothing new. It has been used for thousands of years by witchdoctors, and shaman spirit mediums alike. Hypnosis has always been a powerful tool of the occult. Four ways to get in touch with the spiritual realm quickly is by hypnosis, drugs, meditation, and visualization.
http://www.letusreason.org/Nam3.htm
Additionally, the English word  insomnia  comes from the name of his Latin counterpart, Somnus. (in- not + somnus sleep), as well as a few less-common words such as somnolent, meaning sleepy or tending to cause sleep.
https://en.wikipedia.org/wiki/Hypnos
Hypnos lived next to his twin brother, Thanatos (θάνατος, death personified) in the underworld. The underworld is translated into English as Hell in the Septuagint Bible. Hypnos' mother was Nyx (νύξ, Night), the deity of Night, and his father was Erebus, the deity of Darkness.
https://en.wikipedia.org/wiki/Hypnos
what is the greek origin for the word hypnosis
The greek origin for the word hypnosis is Hypnos. The word hypnosis is originated from the Greek word hypnos.