Quran 10:67

هُوَ ٱلَّذِى جَعَلَ لَكُمُ ٱلَّيۡلَ لِتَسۡڪُنُواْ فِيهِ وَٱلنَّهَارَ مُبۡصِرًا‌ۚ إِنَّ فِى ذَٲلِكَ لَأَيَـٰتٍ۬ لِّقَوۡمٍ۬ يَسۡمَعُونَ ٦٧

He is the One who rendered the night for your rest, and rendered the day lighted. These are proofs for people who can hear.