It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said:“There are people who fast and get nothing from their fast except hunger, and there are those who pray and get nothing from their prayer but a sleepless night.”
Hadith No. 1690
Sunan Ibn Majah
Gradings:
Al-Albani:
Sahih
Muhammad Fouad Abd al-Baqi:
Hasan Sahih
Shuaib Al Arnaut:
Hasan
Zubair Ali Zai:
Isnaad Hasan