Unbesiegbar will always bring the brutality (Picture: WWE)

WWE superstar Ilja Dragunov has revealed he struggled to sleep after his monumental NXT TakeOver 36 win over WALTER.

The Russian bruiser – who ended the Austrian’s 870-day reign to capture the NXT United Kingdom Championship over the weekend – admitted the enormity of the whole situation took a while to sink in as he felt the physical and emotional toll the bout took on him.