Radio 1 ‘I’m so tired’: Nick Grimshaw quits Radio 1 breakfast show In Depth DJ breaks the news to viewers live on air, after six years in the breakfast hot seat In Depth BBC Radio 1 Breakfast slumps to lowest ratings on record In Depth Nick Grimshaw’s audience dips below 5m mark, according to new RAJAR figures By The Week Staff Published 26 October 17 In Depth