 Exclusion criteria: Participants will be excluded for the following reasons: a current specialized psychological treatment specifically for BED; b current major medical illness that would interfere with treatment e.g., cancer; c current acute suicidal risk as assessed using the BDI-II ; d current substance use disorder; and e current psychotic symptoms . Individuals on a stable dose of antidepressant medication andor sleep medication for at least 3 months will be eligible to take part. 