السلام عليكم ورحمة الله وبركاته بارك الله فيكم When one sleeps through fajr and missed its time, after he wakes up can he do the waking up dhikr and recite the ayaat or should he rush to prayer? May Allah reward your efforts.

Ustadh AbdulAziz al-Haqqan
Pray then do them.