The Messenger of Allah ﷺ said, "If people knew what is in solitude, no rider would ever travel alone by night."
حدثنا وكيع حدثنا عاصم بن محمد عن أبيه
قال رسول الله ﷺ لو يعلم الناس ما في الوحدة ما سار راكب بليل أبدا
Its isnad is sahih, and it is a repetition of 4770 with this isnad.