宵っぱり

宵っ張り

Reading

Kana: よいっぱり

Romaji: yoippari

Definitions

noun

1

night owl; nighthawk; late bird

vs

2

to stay up late; to keep late hours

Kanji

宵

Readings: ショウ、 よい

Meanings: wee hours, evening, early night

張

Readings: チョウ、 は.る、 -は.り、 -ば.り

Meanings: lengthen, counter for bows & stringed instruments, stretch, spread, put up (tent)