It is narrated from Sayyiduna Abdullah bin Unays (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) instructed him (to seek Laylat al-Qadr) on the twenty-third night.
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 13933
Sayyiduna Abdullah bin Unays (may Allah be pleased with him) relates: I saw the Prophet (peace and blessings be upon him) come to a waterskin, bend its mouth back and drink while standing.
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 13934