Why Sleeping Height Defines Corridor Clearance in HDB Flats
The size below is a
single mattress at 91 by 190cm — the most compact, best for a child's room or a bunk deck. The jump from single to super single is only 16cm of width, but in practice it's the difference between a child's bed and one a teenager won't outgrow in two years. If the room can spare the width, the super single usually earns it; if floor space is the priority, the single keeps the most free. Same length either way, so only the width decision changes.. For the full picture across sizes, the
mattress sizes guide sets out Single (91cm), Super Single (107cm), Queen (152cm), and King (around 183cm), all at 190cm length. It helps place the super single between its neighbours and confirm it suits the room and sleeper. A mattress matched to the frame sits flush with no gap. Confirm the width before buying, since the super single's whole value is fitting where a single is tight and a queen won't go..