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Related to sleeplessness: insomnia
a. Marked by a lack of sleep: a sleepless night.
b. Unable to sleep.
2. Always alert or active; never resting: a sleepless district of the city.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||sleeplessness - a temporary state in which you are unable (or unwilling) to sleep; "accept your wakefulness and sleep in its own contrary way is more likely to come"|
temporary state - a state that continues for a limited time
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
sleeplessness[ˈsliːplɪsnɪs] N → insomnio m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
sleeplessness[ˈsliːpləsnɪs] n → insomnie f
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
n → Schlaflosigkeit f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
sleeplessness[ˈsliːplɪsnɪs] n → insonnia
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995