Sunan An Nasai
1620
It was narrated that Ibn 'Abbas said:
When the Prophet (ﷺ) got up at night to pray Tahajjud, he said: Allahumma, lakal-hamdu anta nurus-samawati wal-ardi wa man fihinna wa lakal-hamdu anta qayyamus-samawati wal ardi wa man fihinna wa lakal-hamdu,..
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