Jef Blommaert has 2 While She Sleeps concerts.

While She Sleeps is a British metalcore band from Sheffield, England. Formed in 2006, the band currently consists of vocalist Lawrence Taylor, guitarists Sean Long and Mat Welsh, bassist Aaran Mackenzie and drummer Adam Savage. They are currently signed to Search and Destroy Records in the UK, The End Records in the US and Shock Records in Australia. Since releasing their debut mini-album The North Stands for Nothing in 2010, they have gained a much increased following.