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Dreams & Sleep

Baku, the Dream Eater

Also called Baku, Mo (Chinese), Baku-san

In Japanese folklore the baku is a chimera that eats bad dreams. People called on it after nightmares and slept with its picture or name under the pillow.

TraditionJapanese folk belief from Chinese origins
RegionJapan and China
EraMuromachi period (14th to 16th century) to present
Moon● New moon
DayAny
ElementSpirit
Difficulty●○○ Simple
Time10 minutes

Tonight's moon is read when the page loads.

The working

  1. Write the character for baku (貘) on the paper, or draw the creature: elephant trunk, tusks, tiger's claws, ox tail.
  2. Fold it once and slip it under your pillow before sleep, especially on the second night of the new year, the night of hatsuyume, the first dream.
  3. If you wake from a nightmare, say three times: baku-san, come eat my dream.
  4. Turn the pillow over and go back to sleep.
  5. In the morning, take the paper out. Older custom floated such papers on a river or buried them to carry the bad dream away; you can bury it in a garden or tear it and put it in the recycling.
  6. Do not call the baku too often: folklore warns an overfed baku may eat your hopes as well.

Take care: This charm is harmless, but frequent nightmares can be a sign of stress, trauma or a sleep disorder worth discussing with a doctor.

Versions across time and place

i

Muromachi court dream ships

Japanese imperial court custom · Muromachi period

On Setsubun or New Year's Eve, the court handed out pictures of a ship with the character 貘 painted on the sail. People slept with them beneath their bedding and the next morning gathered them to float away or bury, carrying off bad dreams in a rite related to the great purification.

Uses: ship picture, baku character

Recorded in: Nihon Kokugo Daijiten, entry takarabune (via Kotobank)
ii

Edo treasure ship prints

Edo-period popular custom · 17th to 19th century

Street sellers sold prints of the takarabune, the treasure ship carrying the Seven Lucky Gods, on the evening of January 2. Slept upon with a palindrome poem recited three times, they promised a lucky first dream. The aim shifted from expelling bad dreams to inviting good ones.

Uses: takarabune print, palindrome poem

Recorded in: Kitagawa Morisada, Morisada Mankō (19th century); Kotobank, takarabune
iii

Bedside baku talismans

Meiji and Taishō era households · 1900s to 1910s

Hearn described the baku as an eater of nightmares and the custom of calling on it. Into the early twentieth century, Japanese children kept baku charms or pillows bearing its picture by the bed, and baku-shaped pillows are still sold today.

Uses: baku charm

Recorded in: Lafcadio Hearn, Kottō (1902)
iv

Chinese mo against pestilence

Chinese folk belief · Tang dynasty onward

In China the mo was a fabulous beast whose image was used to ward off pestilence and evil, sometimes painted on screens. An early seventeenth-century Japanese bestiary, the Sankai Ibutsu, still describes the baku as a guard against disease rather than a dream eater; the nightmare role grew in Japan.

Uses: picture of the mo

Recorded in: Wikipedia, Baku (mythology)

History

The baku came to Japan from the Chinese mo, a mythical beast assembled from parts of other animals and credited with driving off pestilence and evil. By the Muromachi period it was known in Japan, and the custom of sleeping on pictures for the new year had begun. The court's dream ships carried the character for baku on their sails so it would swallow bad dreams before they could come true.

In the Edo period the custom grew into the popular takarabune prints of the Seven Lucky Gods, sold every January for hatsuyume. Lafcadio Hearn introduced the dream-eating baku to English readers in Kottō in 1902. The name baku is also the Japanese word for the tapir, which is why modern images sometimes look like one. Baku carvings and pillows are still sold at shrines and gift shops across Japan today.

Sources

  1. Baku (mythology) · Wikipedia contributors, 2025
  2. 宝船 (takarabune), Nihon Kokugo Daijiten and other dictionaries · Kotobank, 2025
  3. Kottō: Being Japanese Curios, with Sundry Cobwebs · Lafcadio Hearn, 1902

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