The Messenger of Allah ﷺ said, "I have never seen anything like the Fire, from which the one fleeing it still sleeps, nor anything like Paradise, for which the one seeking it still sleeps."
حدثنا سويد أخبرنا عبد الله عن يحيى بن عبيد الله عن أبيه
قال رسول الله ﷺ ما رأيت مثل النار نام هاربها ولا مثل الجنة نام طالبها
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[Its chain is daif] Abu Naeem also narrated it in Hilyat Awliya, 8/178, through Ibn Mubarak, and it appears in his Zuhd, no. 27, with a daif chain. The hadith has daif corroborating narrations found in Tabarani's Awsat, 2/378, no. 1659, and elsewhere.