I bought a monitor so I can do stuff like put the washing in (lower ground floor and outside at the back) and make a brew and leave him asleep upstairs, I know they're meant to nap in the same room as you but I'm never gone more than 5 minutes but I don't panic either!
I've finally got Jude to sleep, sodding growth spurts so am replying to your email 
Lancashire Sling Library www.lancashireslinglibrary.co.uk
East Lancashire and surrounding areas sling agent for www.petitpoppet.co.uk