Hadith #1424 (Sunan Ibn Majah)
Book: Fasting
Narrator(s): Abdullah bin Abi Bakr bin Muh. b. 'Amr عبد الله بن أبي بكر بن محمد بن عمرو, Abdullah bin Qays bin Makhrama, Abu Bakr bin Muhammad bin 'Amr bin Hazm أبو بكر بن محمد بن عمرو بن حزم, Imam Maalik مالك بن أنس بن مالك بن أبي عامر, Zayd bin Khalid al-Juhni

“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.”

Source: https://parallelquran.com/hadith/sunan-ibn-majah-1424/