Sunan Abu Dawud
4978
Sahih+2

Abu Umamah b. Sahl b. Hunaif quoted his father as saying :None of you must say Khabuthat nafsi (My heart is heaving), but one should say Laqisat nafsi (My heart is being annoyed)

SahihAl-Albani
SahihMuhammad Muhyi Al-Din Abdul Hamid