It is reported from Hazrat Aishah (may Allah be pleased with her) that her brother died in his sleep, and Hazrat Aishah (may Allah be pleased with her) freed on his behalf some of his long-held property (that is, slaves he had owned for a long time).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الوصايا / 12642