'Sober' in the Bible

Therefore, prepare your minds for action, be sober and set your hope fully on the grace that will be brought to you at the revelation of Jesus Christ --

But the end of all things is near. Therefore be of sound mind, self-controlled, and sober in prayer.

Be sober and self-controlled. Be watchful. Your adversary, the devil, walks around like a roaring lion, seeking whom he may devour.