Mark 14:34
He said to them, "My soul is extremely grieved, even to the point where I could die. Stay here and be alert [i.e., in prayer]."
John 12:27
"Now my heart is distressed; and what shall I say [i.e., to God]? 'Father, bring me safely through this time.' But, this is the reason I came [to earth]; to [go through] such a time.
Mark 13:35-37
So, be alert, because you do not know when the owner of the house will return, whether [some] evening, at midnight, at dawn, or at [mid-] morning.
Mark 14:37-38
And when He came back and found His disciples sleeping He said to Peter, "Simon, are you sleeping? Could you not stay alert [in prayer] for one hour?
Ephesians 6:18-19
[Then] offer all kinds of prayers and requests in [harmony with] the Holy Spirit at all times, and be alert constantly in making requests for all the saints [i.e., God's holy people].
1 Peter 4:7
But the end of everything [as far as your lives are concerned] is near, so be sensible, and sober [so as to be] prayerful.
1 Peter 5:8
Be sensible and alert; your enemy the devil is prowling around like a roaring [i.e., hungry] lion looking for someone to [kill and] eat.