What is the actual space each passenger will be provided in the Qsuite compared to the previous cabin configuration (especially when it comes to the bed size)?

The bed size is similar in length to our existing bed length across our fleet. You can display seat's type, pitch, width and recline during your booking at flight selection option.

Visit this link for more details on Qsuite https://www.qatarairways.com/en/onboard/qsuite.html 

Please contact your local Qatar Airways office for further inquiries. Contact details can be found in the following link https://www.qatarairways.com/en/worldwide-offices.html