Hadith 2947
Abu Hurairah (RA) reported Allah's Messenger (ﷺ) having said: Hasten to do good deeds before six things happen: the rising of the sun from the west, the smoke, the Dajjal, the beast and (the death) of one of you or the general turmoil.
Hadith 2980
'Abdullah bin 'Umar (RA) reported that Allah's Messenger (ﷺ) said in connection with the people of Hijr (Thamud): Do not enter but weepingly (the habitations) of these people who had been punished by (Allah), and in case you do not feel inclined to weep, then do not enter (these habitations) that you may not meet the same calamity as had fallen to their lot.
Hadith 2994
Abu Hurairah (RA) reported Allah's Messenger (ﷺ) as saying: The yawning as from the devil. So when one of you yawns he should try to restrain it as far as it lies in his power.