Super Junior's Yesung released a photo of himself right before bed.

Today he tweeted, "Good night, ELF" along with a photo. In the photo is Ye-Sung with his bangs up, highlighting his milky, bright complexion. Intently gazing into the camera, Ye-Sung may have unintentionally kept some of his fans up at night. ELF is the name of a Super Junior fan club.

Internet users responded, "Sweet dreams""Sleep tight, Ye-Sung!"

Ye-Sung was a recent hot issue for singing 'Mugji,' one of the Original soundtracks of SBS drama 'That Winter, the Wind Blew' which aired its finale this week.