Actually, "hit the hey" is an idiom.
They hit the hay is a sentence.
hay as in "hit the hay"
Hit the Hay - 1945 is rated/received certificates of: USA:Approved USA:Passed (National Board of Review)
meaning:: go to bed or go to sleep sentence:: i usually hit the hay after ten o' clock news
Hit the Hay - 1945 was released on: USA: 29 November 1945 Portugal: 13 September 1948
smell of pumpkin pie hit me in the face
hit the hay, hit the sack, knock out, sack out.
(Because he wanted to hit the hay)
Yes
It means go to bed. Mattresses were once stuffed with hay or straw, so the image is of you flopping down on your mattress and "hitting" the hay.
Lonliness is where you quit it before you have had the chance to hit it.
The phrase "hit by Cupid's arrow" is a metaphor that symbolizes falling in love suddenly and unexpectedly, as if struck by an arrow from Cupid, the Roman god of love.