Ibn Abbas said: The Messenger of Allah ﷺ used to say in his tahajjud prayer (i. e. supererogatory prayer offered in or after the midnight) after he said the takbir; he then narrated the tradition to the same effect.
Explanation & Benefits
Shaykh Umar Farooq Saeedi
772. Commentary:
It is understood that these supplications are not for the time of waking up, but rather for the occasion of Thana (opening glorification) when beginning the prayer.
Source: Sunan Abu Dawood – Commentary by Shaykh Umar Farooq Saeedi, Page: 772