Interesting reading here if you have a spare few hours.
http://www.smartcockpit.com/pdf/flightops/safety/23
Readers Digest version:
Company should have an educational plan for crew regarding rest/operations/fatigue control/rostering, etc.
Crew rest should include seats.
Dedicated area to get changed for rest.
Toilet that is dedicated to crew in a secure area
It goes on as much as l go off ULR!
halas
PS By the way Ian Hosegood is one of the panel advisors