from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The property of being sleepy.

from the GNU version of the Collaborative International Dictionary of English

  • n. The quality or state of being sleepy.

from The Century Dictionary and Cyclopedia

  • n. Sleepy character or state.
  • n. Languor; laziness.
  • n. Same as bletting.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a very sleepy state


Sorry, no etymologies found.


  • In some cases, excessive daytime sleepiness is the only symptom.


  • It’s also possible that sleepiness is just a “side effect” associated with a more evolutionarily important reason for the release of oxytocin and vasopressin.

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  • Jeff, your points are well taken, AOL/TW/Exxon/General Dynamic’s sleepiness is the best example of Levin’s greedy legacy.

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  • The state of sleepiness, which is a well-known attendant on the Sabbath, is indicative of the magnetic influence; and those who discard the day, and secretly pursue their active employments, would do well to heed the remarks I have made.

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  • The sun was slipping from the grip of the greying sky as his growing hunger became tinged with an unsettled kind of sleepiness, and he knew he had to stop.

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  • Random female nodes where struck with a sudden case of "sleepiness" and the perturbed network was observed.

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  • It can also worsen depression, mania, or other mental illness, and it may increase some effects of sedatives, sleeping pills, or alcohol, such as sleepiness and poor coordination.

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  • Rats and humans have similar vasopressin and body clock neuron activities, but Bourque said more research is needed to determine if the body clock neurons regulate other cycles as well, such as sleepiness, hunger, and other mechanisms related to circadian rhythms. - latest science and technology news stories

  • Use of BANZEL has been associated with side effects such as sleepiness or feeling tired, difficulty with coordination, dizziness, and problems with walking or movement.

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  • The events were similar in nature and quality (mostly injection site reactions and systemic reactions such as sleepiness, changed eating habits, irritability, unusual crying and rash, or gastrointestinal events) [2].

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