Abdul-Rahman bin Kaab bin Malik reported,

He reported that his father Kaab bin Malik used to narrate that the Messenger of Allah ﷺ said, "The soul of the believer is a bird that perches on the trees of Paradise until Allah returns it to its body on the Day of Resurrection."

Azami 16409

Sahih

عن عبد الرحمن بن كعب بن مالك الأنصاري

أنه أخبره أن أباه كعب بن مالك كان يحدث أن رسول الله ﷺ قال: إنما نسمة المؤمن طير يعلق في شجر الجنة، حتى يرجعه الله إلى جسده يوم القيامة.

الأعظمي 16409صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Description of Paradise and Hell and their inhabitants
Chapter
Characteristics of the people of Paradise
Section
Souls of the believers, from the martyrs and others, being like birds clinging to the trees of Paradise
Numbering
Jami al-Kamil 16409 (2nd edition)
Azami 16409