Dua before sleeping and on waking (3)
اللَّهُمَّ قِنِي عَذَابَكَ يَوْمَ تَبْعَثُ عِبَادَكَ.
Allahumma qinee AAathabaka yawma tabAAathu AAibadak.
O Allah, protect me from Your punishment on the day Your servants are resurrected.
Source: Abu Dawud 4:311