Singer-actress Jennifer Lopez says a good night's sleep is like an anti-ageing treatment.

Lopez, in an interview to OK! Magazine, said she ensures she sleeps for at least eight hours every night in order to stay young, and to be on top form for her children and career, reports contactmusic.com.

The singer and actress claimed that getting a good night's rest is a priority in her life for staying healthy and retaining her good looks.

Talking about her routine, she said: "I think what works best (for anti-ageing) is sleep, water, and a good cleanser.