There could be other circumstances at work.
Hawking has also reportedly been spotted numerous times getting lap dances at the California strip club Devore, and was even said to have frequented Freedom Acres, a swinger’s club in California.“I have seen Stephen Hawking at the club more than a handful of times,” a member said, according to the Huffington Post. “He arrives with an entourage of nurses and assistants. Last time I saw him, he was in the back ‘play area’ lying on a bed fully clothed with two naked women gyrating all over him.”
It would be highly unprofessional for nurses and assistants to be engaging in sexual acts with their patients/employers. Call them what they really are.