The song "One More Sleep" was recorded by British singer Leona Lewis.
Leona Lewis is a British singer-songwriter who rose to fame after winning the third series of the UK television series The X Factor in 2006. She has since gone on to have a successful music career, releasing seven studio albums and selling over 20 million records worldwide. "One More Sleep" is the lead single from her fourth studio album, Christmas, with Love (2013).