Surah al-Fatihah ,الْحَمْدُ لِلَّهِ رَبِّ الْعَالَمِينَAlhamdu lillaahi Rabbil ‘aalameen

الْحَمْدُ لِلَّهِ رَبِّ الْعَالَمِينَAlhamdu lillaahi Rabbil ‘aalameen
Hear quran always specially before sleep and you try to memorize quran surah and you can feel peaceful relaxation, sleepy, stress relief.