The largest simultaneous sleepover was arranged by the BT Giant Sleepover in aid of ChildLine, involved 33,093 participants at over 1000 locations in the UK and around the world, on 18 June 2006

Largest simultaneous teeth brushing also set at this event.

Other locations around the world included India, Nepal, Germany, USA, Netherlands and Cyprus.

BT Sleepover broke their own record of the previous year