Night

1. That part of the natural day when the sun is beneath the horizon, or the time from sunset to sunrise; esp., the time between dusk and dawn, when there is no light of the sun, but only moonlight, starlight, or artificial light.
2. Darkness; obscurity; concealment.
3. A lifeless or unenlivened period, as when nature seems to sleep.
4. A state of affliction; adversity; as, a dreary night of sorrow.
5. Intellectual and moral darkness; ignorance.
6. The period after the close of life; death.