The Messenger of Allah ﷺ said, "When one of you wakes from sleep and performs ablution, let him blow water out of his nose three times, for Satan spends the night in his nostrils."
قال رسول الله ﷺ: إذا استيقظ أحدكم من منامه فتوضأ فلينتثر ثلاثا، فإن الشيطان يبيت على خيشومه.