Both of those first and business class get far much better bedding blankets and pillows for extended-haul flights, but first class usually comes with a mattress pad for additional comfort, as well. We dubbed this a single a “Nerd Inform” mainly because it didn't involve return availability to fly house https://businessflightshop.co.uk/blog/what-things-to-remember-when-boarding-a-business-class-flight/