Janet Jackson's New Single "No Sleep"

Janet Jackson is back.

Jackson sounds like she has not missed a beat in her first new single in seven years, a mellow, sultry R&B track called "No Sleeep."

The 49-year-old pop empress tweeted a link to the song early Monday, along with a dedication to "My Love."

"You're missing me / I'm missing you / Whenever we meet / We ain't gonna get no sleep," Jackson sings in her signature breathy soprano.

Jackson's new album, titled "Conversations In A Café," is due out in the fall. It's her first since 2008's "Discipline."

In her announcement of the forthcoming album last month, she also revealed she'll be launching a new tour, tagged "Unbreakable," her first roadwork in four years.

It begins Aug. 31 in Vancouver, Canada, and lasts through mid-November.

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