What if I'm asleep in a hospital somewhere and I could die any moment they decide to pull the plug?!?! 
Jesus why has my mind been giving me existential crisises at night this week? 
What if I'm asleep in a hospital somewhere and I could die any moment they decide to pull the plug?!?!
Jesus why has my mind been giving me existential crisises at night this week?
The follow up series, Ashes to Ashes makes it more clear, but is also a much worse show.
Oh yeah, I watched an episode of that then wiped it from my memory. Fair enough.