| 1441 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) | 
| 1079 | A New Dictionary of Kanji Usage | 
| 1326 | Classic Nelson (Andrew Nelson) | 
| 918 | Essential Kanji (P.G. O’Neill) | 
| 473 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) | 
| 1976 | Japanese Names (P.G. O’Neill) | 
| 1079 | Kanji and Kana (Spahn and Hadamitzky) | 
| 1127 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) | 
| 127 | Kanji in Context (Nishiguchi and Kono) | 
| 493 | Kodansha Compact Kanji Guide | 
| 2925 | Kodansha Kanji Dictionary (Jack Halpern) | 
| 1503 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) | 
| 2034 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) | 
| 1158 | Les Kanjis dans la tete (Yves Maniette) | 
| 7278P | Morohashi | 
| 2329 | New Japanese English Character Dictionary (Jack Halpern) | 
| 1353 | New Nelson (John Haig) | 
| 1150 | Remembering The Kanji (James Heisig) | 
| 1233 | Remembering The Kanji, 6th edition (James Heisig) | 
| 1620 | Tuttle Kanji Cards (Alexander Kask) | 
      Jōyō kanji, taught in junior high
    
    
      JLPT level N3
    
    
      1034 of 2500 most used kanji in newspapers
    
Stroke order
On reading compounds
- 寝 【ネ】 sleep
 - 寝具 【シング】 bedding, bedclothes
 
Kun reading compounds
- 寝る 【ねる】 to sleep (lying down), to go to bed, to lie in bed, to lie down, to sleep (with someone, i.e. have intercourse), to lie flat (e.g. of hair), to lie idle (of funds, stock, etc.), to ferment (of soy sauce, miso, etc.)
 - 寝る子は育つ 【ねるこはそだつ】 sleep brings up a child well, a well-slept child is a well-kept child
 - 寝かす 【ねかす】 to put to bed, to let sleep, to lay (something) down, to put on its side, to let (money, goods, etc.) lie idle, to set aside unused, to let (stock) lie unsold, to (let) ferment, to (let) age, to let (dough) rise, to lay down (wine)
 - 寝ぬ 【いぬ】 to sleep, to go to bed, to retire, to repose
 
Readings
- Korean:
 - chim
 
Spanish
- acostarse
 - dormir
 
Portuguese
- sono
 - descanso
 - cama
 - invendável (encalhado)
 
French
- être couché
 - dormir
 - se reposer
 - lit
 - invendu
 
| 767 | 2001 Kanji | 
| 3m10.1 | The Kanji Dictionary | 
| 2-3-10 | SKIP code | 
| 3014.7 | Four corner code | 
| 1-31-18 | JIS X 0208-1997 kuten code | 
| 5bdd | Unicode hex code | 
      Jōyō kanji, taught in grade 2
    
    
      JLPT level N4
    
    
      550 of 2500 most used kanji in newspapers
    
Stroke order
On reading compounds
- 室 【シツ】 room, wife (of someone of high rank), scabbard, Chinese "Encampment" constellation (one of the 28 mansions)
 - 室長 【シツチョウ】 section chief, laboratory manager, office head, room monitor
 - 同室 【ドウシツ】 same room, sharing a room, occupying the same room
 - 皇室 【コウシツ】 Imperial household
 
Kun reading compounds
- 室 【むろ】 greenhouse, icehouse, cellar
 - 室町 【むろまち】 Muromachi period (1336-1573)
 - 石室 【せきしつ】 stone hut, rock chamber, tomb, stone burial chamber
 - 氷室 【ひむろ】 ice house, ice room, cold room
 
Readings
- Korean:
 - sil
 
Spanish
- habitación
 - cuarto
 - caverna
 - guarida
 - gruta
 
Portuguese
- quarto
 - apartamento
 - câmara
 - estufa
 - porão
 
French
- pièce
 - appartement
 - chambre
 - serre
 - cave
 
| 232 | A Guide To Reading and Writing Japanese (Florence Sakade) | 
| 152 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) | 
| 136 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) | 
| 421 | A New Dictionary of Kanji Usage | 
| 1300 | Classic Nelson (Andrew Nelson) | 
| 278 | Essential Kanji (P.G. O’Neill) | 
| 157 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) | 
| 1183 | Japanese Names (P.G. O’Neill) | 
| 3.5 | Japanese for Busy People | 
| 166 | Kanji and Kana (Spahn and Hadamitzky) | 
| 166 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) | 
| 331 | Kanji in Context (Nishiguchi and Kono) | 
| 477 | Kodansha Compact Kanji Guide | 
| 2802 | Kodansha Kanji Dictionary (Jack Halpern) | 
| 1442 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) | 
| 1943 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) | 
| 761 | Les Kanjis dans la tete (Yves Maniette) | 
| 7136 | Morohashi | 
| 2254 | New Japanese English Character Dictionary (Jack Halpern) | 
| 1327 | New Nelson (John Haig) | 
| 754 | Remembering The Kanji (James Heisig) | 
| 816 | Remembering The Kanji, 6th edition (James Heisig) | 
| 176 | Tuttle Kanji Cards (Alexander Kask) | 
| 772 | 2001 Kanji | 
| 3m6.4 | The Kanji Dictionary | 
| 2-3-6 | SKIP code | 
| 3010.4 | Four corner code | 
| 1-28-28 | JIS X 0208-1997 kuten code | 
| 5ba4 | Unicode hex code |