The prayer of one sitting is half that of one standing

Sayyiduna Imran bin Husayn (may Allah be pleased with him) asked the Prophet (peace and blessings be upon him) about praying while sitting, and he said: "Pray standing, for that is better." Then he said: "The reward of praying while sitting is half that of praying while standing, and the reward of praying while lying down is half that of praying while sitting."

It is narrated from Sayyiduna Abdullah bin Amr (may Allah be pleased with him) (the narrator said: I think he narrated it from the Prophet (peace and blessings be upon him)) that the Messenger of Allah (peace and blessings be upon him) said: "The reward of praying while sitting is half that of praying while standing."

Sayyiduna Ibn Umar (may Allah be pleased with them both) said: We came to Madinah and an illness struck us there, so we began to offer voluntary prayers sitting down. At that, the Prophet (peace and blessings be upon him) said: "The reward of praying while sitting is half that of praying while standing."

Sayyiduna Abdullah bin Amr (may Allah be pleased with him) said: "The reward of praying while sitting is half that of praying while standing."

Mujahid said: Al-Sa'ib asked Sayyidah Aishah (may Allah be pleased with her) about praying while sitting, and she said: "the Messenger of Allah (peace and blessings be upon him) said: 'The reward of praying while sitting is half that of praying while standing.'"

Mujahid said: "The reward of praying while sitting in any way other than cross-legged is half that of praying while standing."

Al-Musayyib bin Rafi' said: "The reward of praying while sitting without an excuse is half that of praying while standing."

It is narrated from Sayyiduna Anas bin Malik (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "The reward of praying while sitting is half that of praying while standing."