Some nights are dark but full of lights

Title gives us a little trick how can some nights be dark but fullof lights , so here im gonna clear it some nights are full of sorrow , tears in eye , sleeplessness , awakening and watch dreams with open eyes and on other hand some nights an be full of lights like a street light with brighten the whole street awfully light of joy, light of happiness, light of kindness , light of mercy, light of fun, two kinds of nights we all had experienced once in our life . Some nights make us brave to cope with our weakness and some nights make us so timid to not get out of our blanket .