Dictionary
Thesaurus
Reference
Translate
Web
Related Searches
on Ask.com
Nearby Entries
sleep-wake cycle - 1 dictionary result
Sleep Treatment
Over-The-Counter Remedies May Not Be Enough: Learn About An Option
www.SleepMedication.Info
Sleep Book Helps
Take our Interactive Sleep Survey & Find Ways to Improve Your Sleep.
www.SleepBook.com
Waking up at 2AM?
Get a Full Night's Sleep Learn How to Now.
GetSomeSleep.com

sleep-wake cycle

  [sleep-weyk]
Use sleep-wake cycle in a Sentence
–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. 2009.
Cite This Source Link To sleep-wake cycle
Search another word or see sleep-wake cycle on Thesaurus | Reference
Waking up at 2AM?
Get a Full Night's Sleep Learn How to Now.
GetSomeSleep.com
PureSleep
Stop snoring or we refund purchase, price, S/H, & pay return postage.
www.PureSleep.com
Sleep Wake
Learn tips for diagnosing your condition and how to treat it!
www.EverydayHealth.com