They were in the keep, which is where the royal family lives.
Cots for the richer and benches for the poorer. The richest slept on beds.
Medieval castles.
There is nothing different between todays castles and medieval time castles. Today's castles were built in medieval times.
The welsh medieval castles were big and gray.
Medieval times
in the late medieval period many medieval castles did have a primitive type of cannon.
Castles were invented in medieval times.
There are no genuine medieval castles in the USA, because the Americas were not discovered until after the medieval period had ended. There are the "fairytale" Disney castles and some modern attempts at reconstructing medieval castles, but no genuine ones.
how the main bedrooms and guest rooms were laid out in the castles
Who is most important in medieval history - kings and emperors. Where do they live - in castles.
mote and bailey castles and stone keep castles and Concentric Castles
Medieval castles evolved because the old Motte and Bailey castles where easier to set alight and where not very strong, so they made stone castles to improve defence.