Washing the Hands

Humraan (radhiAllaahu’anhu) narrates that

‘Uthmaan called for water to make wudoo and washed his hands three times… then said: I saw Rasoolullah (sallallaahu ‘alaihi wa sallam)make wudoo just as I have made wudoo .

[Al-Bukhaaree and Muslim, and as preceded].

Abu Hurairah (radhiAllaahu’anhu) said: Rasoolullah (sallallaahu ‘alaihi wa sallam) said

When one of you awakes from sleep then let him not enter his hand into the bowl/vessel until he washes it three times as he does not know where his hand has spent the night.

[Al-Bukhaaree (Fath ul-Baaree, 1/229), Muslim and it is his wording, 
as al-Bukhaaree doesn’t report “three times”].

And in the hadeeth of ’Abdullaah ibn Zaid (radhiAllaahu’anhu) he was asked about the wudoo of the Prophet (sallallaahu ‘alaihi wa sallam),

so he called for a bowl of water and made wudoo from it as the Prophet (sallallaahu ‘alaihi wa sallam) made wudoo, and he poured out water from the bowl upon his hand and washed it three times.

[Al-Bukhaaree (al Fath, l/255), Muslim, 3/121].

Aus ibn Abi Aus reports from his grandfather (radhiAllaahu ‘anhu) who said:

I saw Rasoolullah (sallallaahu alaihi wa sallam) make wudoo washing his hands three times.

[Ahmad (4/9), An-Nasaa’ee (1/55) – with saheeh isnaad]