Abu Hurairah (ra) reported :
I heard the Allah’s massanger (saws) say: When any of you wakes up from sleep, he should not put his hand in the utensil until he washes it three times, for none of you knows where his hand remained during the night or where it went round.
Sunan Abi Dawud 105
In-book : Book 1, Hadith 105
ruling applies to all times, night or day. If one sleeps during the daytime, one
should still wash one’s hands after awaking, prior to submerging them into the