Hypnos of the most famous works of art featuring Hypnos is a bronze head of Hypnos himself, now kept in the British Museum in London. This bronze head has wings sprouting from his temples and the hair is elaborately arranged, some tying in knots and some hanging freely from his head. 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. Additionally, the English word "insomnia"
Estonian mythology motives of Estonian folklore (from the legends and folk songs), Finnish mythology (from Ganander’s "Mythologia Fennica") and classical Greek mythology. Matthias Johann Eisen was another folklorist and writer who studied folk legends and reworked them into literary form. Many of their contemporary scholars accepted this mythopoeia as authentic Estonian mythology. The Estonian literary mythology describes the following pantheon: The supreme god, the god of all living is Taara. He is celebrated in sacred oak forests around Tartu. The god of thunder is Uku. Uku's daughters are Linda and Jutta, the queen of the birds. Uku has two sons: Kõu (Thunder)