sleepwake cycle

sleep-wake cycle

[sleep-weyk]
noun
Physiology. the species-specific biological pattern of alternating sleep and wakefulness, in humans roughly 8 hours of nocturnal sleep and 16 hours of daytime activity.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To sleepwake cycle
Explore Dictionary.com
Previous Definition: sleepterror disorder
Next Definition: sleepwaker
Words Near: sleepwake cycle
More from Thesaurus.com
Synonyms and Antonyms for sleepwake cycle
More from Reference.com
Search for articles containing sleepwake cycle
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature