It is narrated from Hazrat Abu Saeed Khudri (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) described the connection of «وهم فى غفلة» with the world. (That those people remained heedless in the world).
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 11073M