Is it permissible for a Muslim to pray Tarawih while tired after finishing work late at night?

Qiyam (standing in prayer during) Ramadan does not necessitate performing Qiyam al-Layl (night vigil prayer) for the entire night. Rather, it can be achieved by performing a small portion of it, by praying Tarawih behind the Imam, and by praying Isha and Fajr in congregation. This is based on the saying of the Prophet, peace and blessings be upon him: "Whoever prays Isha in congregation, it is as if he has stood (in prayer) for half the night. And whoever prays Fajr in congregation, it is as if he has prayed the entire night." It is also not a condition for Tarawih to be prayed behind an Imam until he finishes.