Every mattress store ever.

Could even make it easier, cheaper and avoid the ecological disaster as well

Just shoot them

If you feel like what they’re doing is impacting your ability to do your assigned responsibilities, tell your manager. If you feel like they are going to bad mouth you to your manager, you can CYA and give your manager a heads-up. If you’re feeling personally harassed, that goes to HR, evidence is helpful. Otherwise, just continue to enforce your boundaries, you don’t need to explain the why to anyone not on your direct team or management chain, simple answers are fine: “Sorry, I can’t help with that.”, “I’m waiting for my next patient to assist”, “I’m taking my pause now and will be back in 30.”