Yunus Ayah 67

هُوَ ٱلَّذِى جَعَلَ لَكُمُ ٱلَّيْلَ لِتَسْكُنُواْ فِيهِ وَٱلنَّهَارَ مُبْصِرًا‌ۚ إِنَّ فِى ذَٲلِكَ لَأَيَـٰتٍ لِّقَوْمٍ يَسْمَعُونَ ٦٧ He is the One Who has made the night for you to rest in and the day bright. Surely in this are signs for people who listen.