Lady Aisha (may Allah be pleased with her) narrates: Whenever the Prophet Muhammad (peace be upon him) performed any deed, he would do it regularly. Lady Aisha (may Allah be pleased with her) narrates: When the Prophet Muhammad (peace be upon him) would sleep without performing the night (voluntary) prayers or was unable to perform them due to illness, he would offer twelve rak'ahs during the day. I never saw the Prophet Muhammad (peace be upon him) performing voluntary prayers for the entire night until dawn, nor did I see him fasting for a whole month except in the month of Ramadan.