Definition of 夜中 (よなか)
よなか
                        夜中
よなか
yonaka
Common word
adverbial noun, noun (temporal)
•
                
middle of the night, dead of night
Other readings:
                夜なか【よなか】
                Related Kanji
| 夜 | night, evening | 
| 中 | in, inside, middle, mean, center |