Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A treatise on sleep; the doctrine or science of sleep.

from the GNU version of the Collaborative International Dictionary of English

  • n. A treatise on sleep; the doctrine of sleep.

from The Century Dictionary and Cyclopedia

  • n. The sum of scientific knowledge concerning sleep.

Etymologies

Ancient Greek sleep + -logy. (Wiktionary)

Examples

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