Whether the bunk bed's floor height design is reasonable directly affects the sitting and standing space of the upper users. If the floor height is too low, when the upper users sit on the bunk bed, their heads are likely to hit the ceiling or the upper bunk bed board, and they need to bend down all the time. This will not only limit their activities for a long time, but may also cause neck discomfort. A reasonable floor height should ensure that when the upper users sit upright, their heads are more than one fist away from the top, so that they can raise their heads and turn around freely, and there will be no waste of space due to the high floor height, making the upper space safe and practical.
For the lower users, the floor height design determines the convenience of standing activities. If the lower floor height is insufficient, when the user stands up to tidy up the bunk bed or put on and take off clothes after getting up from the bunk bed, they need to bend down and bend their knees, and their movements cannot be stretched. This restriction will be more obvious, especially for people with taller height. A reasonable lower floor height should allow most people to stand naturally, at least to complete actions such as raising their hands to tidy up the bunk bed, taking and putting items, etc., to avoid affecting the comfort of daily activities due to space oppression.
The balance of the floor height design affects the coordinated use of the upper and lower floors. If the upper floor is too high and the lower floor is too low, the activity space on the lower floor will be cramped and the upper floor will be idle; conversely, if the upper floor is too low and the lower floor is too high, the upper floor will lose its practical value. Reasonable floor height distribution should take into account the needs of the upper and lower floors, and be evenly divided according to the overall height of the dormitory, so that both the upper and lower floors can have a relatively comfortable range of activities, avoiding the inconvenience caused by unbalanced space distribution.
The matching degree between the floor height and the thickness of the bunk bed board will also affect the actual activity space. If the bunk bed board is too thick, even if the marked floor height value is reasonable, the actual available space will shrink after deducting the thickness of the bunk bed board. For example, if the upper bunk bed board is too thick, it will compress the actual height of the lower floor, resulting in a narrower head space for the lower floor users. Reasonable design will include the thickness of the bunk bed board in the floor height calculation to ensure that after deducting the bunk bed board, the net space of the upper and lower floors can still meet the basic activity needs, avoiding the disconnection between the nominal floor height and the actual experience.
The floor height design has an indirect impact on the storage and activity space of the upper and lower floors. Users on the upper floor often need to place books, table lamps and other items at the top of the bunk bed. If the floor height is insufficient, these items may not be placed due to space limitations, or the head space may be further reduced after placement. If a certain height is reserved at the bottom of the lower bunk bed, it can be used to place items such as storage boxes. However, if the floor height design is unreasonable, the space at the bottom of the bunk bed is too low and large storage boxes cannot be placed, which will reduce storage flexibility. Reasonable floor height can reserve space for the storage needs of the upper and lower floors and improve the overall space utilization rate.
The adaptability of the floor height to the overall height of the dormitory determines the sense of oppression of the activities on the upper and lower floors. If the total height of the bunk bed is close to the ceiling of the dormitory, even if the upper and lower floors are evenly distributed, the overall space will appear oppressive, and the users on the upper and lower floors will feel that the space above their heads is cramped, affecting their living mood. Reasonable floor height design should match the height of the dormitory, and reserve at least 30 cm of space at the top to ensure air circulation while allowing users to visually feel that the space is open and reduce the impact of oppression on the freedom of movement.
The impact of floor height design on small movements such as turning over and stretching on the upper and lower floors should also not be ignored. If the floor height is too low, when the upper user turns over on the bunk bed, his body is likely to hit the surrounding guardrails or bunk bed boards, limiting his movements; if the lower user wants to stretch his limbs slightly on the bunk bed, it may not be possible because the bunk bed board above is too low. A reasonable floor height should give the body a certain amount of activity redundancy, so that the upper and lower users can turn over and stretch naturally when sleeping or resting, without having to be restrained all the time, and truly enjoy a comfortable activity space.
