It isn't just that people are asleep. It isn't just that the watchmen who sound the alarm wake very few. But there are those who will do anything, defame anyone, resort to any tactic, to kill the watchmen and make sure the sleepers do not awake.
The tension is palpable, at least to me. Is it to you? No? Sleep away.
Then he cometh to his disciples, and saith to them: Sleep ye now and take your rest; behold the hour is at hand, and the Son of man shall be betrayed into the hands of sinners. Rise, let us go: behold he is at hand that will betray me. Matthew 26: 45-46