Slide-out drawers and rear view (passenger seat slides forward for sleeping). Fridge is an AutoFridge that allows extended cool-downs and minimal on-off cycles therefore is more sleep-friendly.
This is a 4WD tray truck with a dual battery system (200AH battery under tray), shelving under roof, fridge on drop down sliding rails, plus eternal water storage constructed from sewage pipes (stronger than regular plastic piping).
Rear view. Lots of space for mattress (and other stuff). Slide out fridge at left-rear of picture:
Rear view. Easily accessible (sleep friendly) AutoFridge on left and storage under bed.