Singer Madonna says she does not enjoy socialising much as her life revolves mostly around her family.

The 57-year-old also shared that she leads a disciplined life, reports femalefirst.co.uk.

"I don't do a lot of socialising. My life revolves around my show and my four children and trying to live a very healthy lifestyle,` Madonna told HELLO! Magazine.

"I have a very disciplined life. The only thing I'm lacking now is sleep,` she added, reports femalefirst.co.uk.

Madonna has four children, Lourdes, 19, Rocco, 15, Mercy and David, both nine. She is currently on her 10th world tour.