"Bittersweet Serenade"

Prompt: write a story about a man, a single father to a teenaged boy, who has restless body syndrome, a condition that he experiences at night where he experiences irresistible urges to move his body's muscles, preventing him from getting enough sleep. one night his son goes to use the bathroom and notices a prescription bottle he hasn't seen before on the sink. when he goes into his bedroom to ask what it was for, he is shocked to see a pillow on the night stand with his dad's head in a deep sleep on it, just his head. the son looks around to see where the rest of his dad is, and his eyes fall on his dad's body wearing his usual sleep attire of boxers, trying on shirts and dropping them in a heap at its feet. the son tries to wake up his dad's head, but is unable to break its sleep. the son then tells his dad's body to stop, and it immediately obeys. the son then tells the body to get back into bed, along with dad's head. the son then goes to his computer to get more information about the medicine his dad took. when the son looks up to check on his dad, he sees his dad's body aroused and exploring itself with its hands fondling what was beneath the bulging boxer shorts. his dad's body then beckons the son to climb in bed and join it. after the initial shock, the son gets up and lays next to it, reasoning that without a head, it's his dad's body seducing him, not his dad himself. his dad's body slowly removes its boxers then undresses then son, then embraces him and rolls itself top. the son closes his eyes and gives in to the pleasure the headless body's seduction.