Musannaf Ibn Abi Shaybah

Hazrat Ali (may Allah be pleased with him) would sometimes sleep before the Isha prayer.

Hazrat Ibn Haseen narrates that Hazrat Khabbab used to sleep before the Isha prayer.

Hazrat Abu Husain narrates that the students of Hazrat Abu Wa'il and Hazrat Abdullah used to sleep before Isha.

Ibrahim narrates that Hazrat Aswad used to break his fast after offering prayers in Ramadan, and he used to sleep between Maghrib and Isha.

Ayyub says that I asked Hazrat Nafi whether Hazrat Ibn Umar (may Allah be pleased with them) used to sleep before the Isha prayer? He replied that he used to sleep but would appoint someone to wake him up.

Hazrat Hisham states that Hazrat Urwah used to sleep before the Isha prayer.

Hazrat Mujahid states that Hazrat Ali (may Allah be pleased with him) used to complete one Qur'an every night in Ramadan and used to sleep between Maghrib and Isha.

Hazrat Hakam states that the elders used to sleep for a short while before the Isha prayer.

Hazrat Waqa says that during Ramadan, Hazrat Saeed bin Jubair used to sleep before the Isha prayer and then would wake up.

Hazrat Hisham says that Muhammad used to sleep before the Isha prayer.