In Greek mythology

Greek mythology

Greek mythology is the body of myths and legends belonging to the ancient Greeks, concerning their gods and heroes, the nature of the world, and the origins and significance of their own cult and ritual practices. They were a part of religion in ancient Greece...

, the Oneiroi (Όνειροι, Dreams) were, according to Hesiod

Hesiod

Hesiod was a Greek oral poet generally thought by scholars to have been active between 750 and 650 BC, around the same time as Homer. His is the first European poetry in which the poet regards himself as a topic, an individual with a distinctive role to play. Ancient authors credited him and...

, sons of Nyx

Nyx

In Greek mythology, Nyx was the primordial goddess of the night. A shadowy figure, Nyx stood at or near the beginning of creation, and was the mother of personified gods such as Hypnos and Thánatos...

 (Night), and were brothers of Hypnos

Hypnos

In Greek mythology, Hypnos was the personification of sleep; the Roman equivalent was known as Somnus. His twin was Thánatos ; their mother was the primordial goddess Nyx . His palace was a dark cave where the sun never shines. At the entrance were a number of poppies and other hypnogogic plants...

 (Sleep), Thanatos

Thanatos

In Greek mythology, Thanatos was the daemon personification of death. He was a minor figure in Greek mythology, often referred to but rarely appearing in person...

 (Death), Geras

Geras

In Greek mythology, Geras was the god of old age. It was considered a virtue whereby the more gēras a man acquired, the more kleos and arete he was considered to have. According to Hesiod, Gēras was a son of Nyx. Hyginus adds that his father was Erebus. He was depicted as a tiny shriveled-up old...

 (Old Age) and other beings, all produced via parthenogenesis

Parthenogenesis

Parthenogenesis is a form of asexual reproduction found in females, where growth and development of embryos occur without fertilization by a male...

. Cicero

Cicero

Marcus Tullius Cicero , was a Roman philosopher, statesman, lawyer, political theorist, and Roman constitutionalist. He came from a wealthy municipal family of the equestrian order, and is widely considered one of Rome's greatest orators and prose stylists.He introduced the Romans to the chief...

 follows this tradition, but describes the sons of Nyx as fathered by Erebus

Erebus

In Greek mythology, Erebus , also Erebos , was often conceived as a primordial deity, representing the personification of darkness; for instance, Hesiod's Theogony places him as the first five beings to come into existence from Chaos...

 (Darkness).

Euripides

Euripides

Euripides was one of the three great tragedians of classical Athens, the other two being Aeschylus and Sophocles. Some ancient scholars attributed ninety-five plays to him but according to the Suda it was ninety-two at most...

 calls them instead sons of Gaia

Gaia (mythology)

Gaia was the primordial Earth-goddess in ancient Greek religion. Gaia was the great mother of all: the heavenly gods and Titans were descended from her union with Uranus , the sea-gods from her union with Pontus , the Giants from her mating with Tartarus and mortal creatures were sprung or born...

 (Earth) and pictures them as black-winged daemons

Daemon (mythology)

The words dæmon and daimôn are Latinized spellings of the Greek "δαίμων", a reference to the daemons of Ancient Greek religion and mythology, as well as later Hellenistic religion and philosophy...

.

The Latin

Latin

Latin is an Italic language originally spoken in Latium and Ancient Rome. It, along with most European languages, is a descendant of the ancient Proto-Indo-European language. Although it is considered a dead language, a number of scholars and members of the Christian clergy speak it fluently, and...

 poet Ovid

Ovid

Publius Ovidius Naso , known as Ovid in the English-speaking world, was a Roman poet who is best known as the author of the three major collections of erotic poetry: Heroides, Amores, and Ars Amatoria...

 presents them not as brothers of Hypnos, but as some of his thousand sons. He mentions three by name: Morpheus

Morpheus (mythology)

Morpheus in Greek mythology is the god of dreams, leader of the Oneiroi. Morpheus has the ability to take any human form and appear in dreams...

 (who excels in presenting human images), Icelos or Phobetor

Phobetor

In Greek mythology, Phobetor was one of the Oneiroi, the personifications of dreaming. According to Hesiod, Phobetor is the son of Nyx, the primordial goddess of the Night, produced parthenogenetically, or as Cicero claims, with Erebus, the embodiment of Darkness...

 (who presents images of beasts, birds and serpents), and Phantasos

Phantasos

In Greek mythology, Phantasos was the son of Hypnos and one of the Oneiroi. He appeared in dreams in the form of inanimate objects.-Family:...

 (who presents images of earth, rock, water and wood).

In Homer

Homer

In the Western classical tradition Homer , is the author of the Iliad and the Odyssey, and is revered as the greatest ancient Greek epic poet. These epics lie at the beginning of the Western canon of literature, and have had an enormous influence on the history of literature.When he lived is...

's Iliad

Iliad

The Iliad is an epic poem in dactylic hexameters, traditionally attributed to Homer. Set during the Trojan War, the ten-year siege of the city of Troy by a coalition of Greek states, it tells of the battles and events during the weeks of a quarrel between King Agamemnon and the warrior Achilles...

, an Oneiros is pictured as summoned by Zeus

Zeus

In the ancient Greek religion, Zeus was the "Father of Gods and men" who ruled the Olympians of Mount Olympus as a father ruled the family. He was the god of sky and thunder in Greek mythology. His Roman counterpart is Jupiter and his Etruscan counterpart is Tinia.Zeus was the child of Cronus...

, receiving from him spoken instructions, and then going to the camp of the Achaeans and entering the tent of Agamemnon

Agamemnon

In Greek mythology, Agamemnon was the son of King Atreus and Queen Aerope of Mycenae, the brother of Menelaus, the husband of Clytemnestra, and the father of Electra and Orestes. Mythical legends make him the king of Mycenae or Argos, thought to be different names for the same area...

 to urge him to warfare.

The Odyssey

Odyssey

The Odyssey is one of two major ancient Greek epic poems attributed to Homer. It is, in part, a sequel to the Iliad, the other work ascribed to Homer. The poem is fundamental to the modern Western canon, and is the second—the Iliad being the first—extant work of Western literature...

speaks of the land of dreams as past the streams of Oceanus

Oceanus

Oceanus ; , Ōkeanós) was a pseudo-geographical feature in classical antiquity, believed by the ancient Greeks and Romans to be the world-ocean, an enormous river encircling the world....

, close to where the spirits of the dead are led (Hades

Hades

Hades , Hadēs, originally , Haidēs or , Aidēs , meaning "the unseen") was the ancient Greek god of the underworld. The genitive , Haidou, was an elision to denote locality: "[the house/dominion] of Hades". Eventually, the nominative came to designate the abode of the dead.In Greek mythology, Hades...

). Statius

Statius

Publius Papinius Statius was a Roman poet of the 1st century CE . Besides his poetry in Latin, which include an epic poem, the Thebaid, a collection of occasional poetry, the Silvae, and the unfinished epic, the Achilleid, he is best known for his appearance as a major character in the Purgatory...

 pictures the Dreams as attending on slumbering Hypnos (Somnus in Latin) in a cave in that region.

In another passage of the Odyssey, dreams (not personified) are spoken of, by a double play on words, as coming through a gate of horn if true (a play on the Greek words for "horn" and "fulfil") or a gate of ivory if false (a play on the Greek words for "ivory" and "deceive"). For this image and its echoes in later literature, see Gates of horn and ivory

Gates of horn and ivory

The gates of horn and ivory are a literary image used to distinguish true dreams from false. The phrase originated in the Greek language, in which the word for "horn" is similar to that for "fulfil" and the word for "ivory" is similar to that for "deceive"...

.