إِذَا نُودِيَ لِصَلاَةِ الصُّبْحِ رَكَعَ رَكْعَتَيْنِ خَفِيفَتَيْنِ قَبْلَ أَنْ يَقُومَ إِلَى الصَّلاَةِ .
It was narrated from Hafsah that: When the call for Subh prayer was given, the Messenger of Allah (ﷺ) would pray two brief rak'ahs before going to the prayer.