夜宵 

Pinyin: yè xiāo 
Meaning：Food taken late at night 
Sentence：表演结束后主办方又请我们吃了一顿夜宵。After the show our host stood treat to a late supper.

More: 

夜： 

Pinyin: yè 
Meaning: Night
Radical: 夕
Stokes: 8
Traditional: 夜
Common words/Phrase:
夜班 [yè bān] 【the night work shift】
夜晚 [yè wǎn] 【night】
夜间 [yè jiān] 【nighttime】
夜宵 [yè xiāo] 【food taken late at night】
夜景 [yè jǐng] 【night scene】

宵： 

Pinyin: xiāo
Meaning: Night
Radical: 宀
Stokes: 7
Traditional: 宵
Common words/Phrase:
宵禁 [xiāo jìn] 【curfew】 
通宵 [tōng xiāo] 【all night】
元宵 [yuán xiāo] 【sweet dumplings made of glutinous rice flour】