R v Jewell (Darren)  EWCA Crim 414 is a Criminal Law case concerning Homocide Offences.
The defendant killed the victim, a workmate, as a result of perceived intimidation by the victim. However, the defendant argued that he was unable to sleep in the preceding days. In addition, he described his final acts as being done in a dream-like state.
The main issue in R v Jewell (Darren)  EWCA Crim 414:
Can loss of self control be used as a defence ?
No. Overall, the defendant was charged with murder due to insufficient evidence to raise the partial defence of loss of control.