We found 29 dictionaries that define the word sleeping:

General (20 matching dictionaries)

1. sleeping: Merriam-Webster
2. sleeping: Collins English Dictionary
3. sleeping: Vocabulary.com
4. Sleeping, sleeping: Wordnik
5. sleeping: Cambridge Advanced Learner's Dictionary
6. sleeping: Wiktionary
7. sleeping: The Wordsmyth English Dictionary-Thesaurus
8. sleeping: Infoplease Dictionary
9. sleeping: Dictionary.com
10. sleeping: Cambridge Essential American English Dictionary
11. Sleeping (Rick Astley song), Sleeping (The Band song), Sleeping (song), Sleeping, The Sleeping: Wikipedia, the Free Encyclopedia
12. Sleeping: Online Plain Text English Dictionary
13. sleeping: Webster's Revised Unabridged, 1913 Edition
14. sleeping: Rhymezone
15. Sleeping: AllWords.com Multi-Lingual Dictionary
16. sleeping: Webster's 1828 Dictionary
17. sleeping: FreeDictionary.org
18. sleeping: Mnemonic Dictionary
19. sleeping: TheFreeDictionary.com
20. sleeping: Wikimedia Commons US English Pronunciations

Art (1 matching dictionary)

21. The Organon: A Conceptually Indexed Dictionary (by Genus and Differentia) (No longer online)

Business (1 matching dictionary)

22. sleeping: Legal dictionary

Computing (1 matching dictionary)

23. sleeping: Encyclopedia

Medicine (3 matching dictionaries)

24. sleeping: Merriam-Webster Medical Dictionary
25. online medical dictionary (No longer online)
26. sleeping: Medical dictionary

Miscellaneous (3 matching dictionaries)

27. Encyclopedia of Graphic Symbols (No longer online)
28. Brilliant Dream Dictionary (No longer online)
29. sleeping: Idioms

(Note: See sleep as well.)

Definitions from Wiktionary (sleeping) ▸ adjective:  Asleep. ▸ adjective:  Used for sleep; used to produce sleep. ▸ noun:  The state of being asleep, or an instance of this. Similar: asleep, slumbering, dormant, dormancy, quiescence, quiescency, unerect, napping, snooze, waking, more... Opposite: awake, alert, active, conscious, energetic Types: REM, NREM, light sleep, deep sleep, twilight sleep, more... Phrases: sleeping in, sleeping with, sleeping bag, Sleeping Beauty, sleeping bags, more... Adjectives: half, excessive, never, comfortable, good, still, rough, outdoor, much, little, long Colors:     midnight blue,     lavender,     pale blue,     dusty rose,     muted teal, more... ▸ Words similar to sleeping ▸ Usage examples for sleeping ▸ Idioms related to sleeping ▸ Wikipedia articles (New!) ▸ Popular adjectives describing sleeping ▸ Popular nouns described by sleeping ▸ Words that often appear near sleeping ▸ Rhymes of sleeping ▸ Invented words related to sleeping