Shocking footage shows the moment a drink-driver crashed his van after swerving across a busy motorway - before he was found fast asleep behind the wheel.<br /><br />Jamie Barrett, 30, was spotted driving dangerously as he headed north along the M1 in Nottinghamshire on September 14 this year.<br /><br />A concerned witness contacted police to describe his erratic driving as if he was "shaking his steering wheel quickly from left to right."<br /><br />Dash-cam footage captured Barrett veering all the way from lanes one to four as he recklessly drove in his black Ford fan between junctions 25 and 26.<br /><br />Barrett narrowly missed other vehicles and can be seen at one point colliding with the barriers before he came to a stop when he ran out of fuel.<br /><br />Police body-cam shows how officers then discovered Barrett slumped behind the wheel fast asleep.<br /><br />He was awoken by officers who said he began to speak incoherently and his speech was slurred.<br /><br />Further damage found to the van suggested he had also crashed into the motorway barriers earlier on in the journey.
