"Losing Sleep" is a song by English singer John Newman. The song was released on 13 December 2013 as the third single from his debut studio album, Tribute (2013). The song was written by John Newman, Steve Booker and Benny Blanco. The song peaked to number 48 on the UK Singles Chart and number 36 in Scotland.

John William Peter Newman is an English singer, songwriter, musician, DJ, composer and record producer. He is best known for the track "Love Me Again" which peaked at number one on the UK Singles Chart in July 2013 and appeared in FIFA 14, as well as co-writing and singing on Rudimental's 2012 singles "Feel the Love" and "Not Giving In", which peaked at number one and number 14 on the chart, respectively. In 2014, he featured in the Calvin Harris single "Blame", which also topped the UK charts.