Nod

• a nod is as good as a wink to a blind horse: (proverb) "However obvious a hint or suggestion may be, it is useless if the other person is unable to see it" (E. C. Brewer, Dictionary of Phrase and Fable)

• Prayer is better than sleep: one of the stanzas of the adhan, or Islamic call to prayer; it is used only by Sunni Muslms and only before the first prayers of the day at dawn; it is attributed to one of Mohammed's Sahabah (companions), a freed Ethiopian slave by the name of Bilal ibn Ribah → "a nod to the nabir" = "a prayer to the Prophet," and wink = sleep

• Land of Nod: the realm of sleep → Genesis 4:16: "And Cain went out from the presence of the Lord, and dwelt in the land of Nod, on the east of Eden." → Jonathan Swift, A Complete Collection of Genteel and Ingenious Conversation, According to the Most Polite Mode and Method Now Used at Court, and in the Best Companies of England. In Three Dialogues. By Simon Wagstaff, Esq. [pseud] (London 1738)

• nod off: to fall asleep → wink, meaning a short spell of sleep

• nod: (Irish) a hint → wink

• is leor nod don eolach: (Irish proverb) a word to the wise [is sufficient]

• Nob colloqiual for a penis (judging by the change in nadir to nabir, you could assume that he interchaged the d in nod from nob; also, the wink in "wink to the wabsanti" is one letter short of winky, which is a euphemism for a penis

• nod: semi-conscious state when one is affected by narcotics - "He's on the nod."