This is my favourite song at the moment. I can't get it out of my head. While we sleep is from their 2014 album Shadows of the Dying Sun.
In September last year they released Winter's Gate: a concept album featuring one 40 minute track.
Insomnium are Niilo Sevanen (bass and vocals), Ville Friman (guitar and vocals), Marcus Hirvonen (drums) and Markus Vanhala (guitar.)
In the mid 1980s, I was experimenting with more extreme genres of metal when I discovered a band called Possessed who have been credited as the founders of the death metal genre. At the time, I was also trying out other things like petty crime, binge drinking and drugs. I also had a strong negative reaction to many of my friends becoming 'born again' Christians. Possessed were the exact opposite of a Christian worship band. One of the songs proclaimed their faith with the lyrics: 'We love you Satan, we worship you.'
Hearing that record was part of a series of events in my life which I would describe as turning points. It was too much for me. I actually threw it away after just one partial play through, and have steered clear of bands with overt references to Satanism or occultism.