Bed types and sizes are very specific and there is no specific standard for every hotel, but the most common bed types are as follows;
Single or Twin Bed: 100 cm x 200 cm
Super Single Bed: 125 cm x 200 cm
Double Bed & French Bed: 140 cm x 200 cm
Queen Size Bed: 160 cm x 200 cm
King Size Bed: 180 cm x 200 cm
Super King Size Bed: 200 cm x 200 cm
Extra Bed or Rolloway (Extra bed): 90 cm x 190 cm