Not entirely. Two single beds pushed together may give you a similar width to a king size bed, but more than 10cm less length. For a couple, for example, two single beds pushed together may be too short, especially if one or both of you are on the taller side. Additionally, the gap between the two mattresses might cause discomfort during the night.

No, a king size mattress will not fit properly on a queen bed frame. Using the wrong-sized frame can compromise support and the lifespan of the mattress. It's essential to match the mattress to the appropriate frame for optimum comfort and durability.

Typically, a king bed's individual parts can fit through door frames, but it's wise to measure first. It's important to consider factors like the headboard and bed base size when checking dimensions. Considering any narrow hallways or tight corners you'll need to negotiate when bringing it home can also be beneficial when choosing your bed frame.

Whether a king size bed is "too big" depends on personal preference and the size of the room it's going in. For larger bedrooms, a king bed frame can be a proportional and luxurious choice, but in a compact room, it might overpower the space and leave little room for other furniture.

If you value extra space and comfort and have room to accommodate it, a king size bed can be a worthwhile investment. It's especially beneficial for couples seeking more sleeping space or for families who co-sleep. Over time, the enhanced sleep quality and additional space could greatly improve your overall snooze experience.