Low resting platforms are a useful option when they match a cat's preferences or make access easier. They can give kittens, less confident climbers and cats with reduced mobility somewhere to pause without committing to a tall climb. A low platform still needs adequate sleeping space, stable support and a surface the cat can use comfortably. Consider its surroundings as well: a bed beside a frequently opened door may be low enough to reach but too disturbed for restful use.
In a multi-cat home, a lower resting place should not sit directly in a narrow passage where another cat can repeatedly intrude. Offer it as one choice among suitable alternatives and watch whether the cat uses it. If a previously agile cat suddenly chooses only low places, arrange a health check. Furniture adjustments can improve access, but they do not explain the cause of a new mobility change.
Look at the first resting platform as carefully as the top bed. Measure its usable area and entry height, and check whether a standing post or another bed leaves enough room for the cat to turn before settling.
For product comparisons alongside this advice, see Ultimate PawHouse and Taj-MeowHall. The details below explain their sizes and uses.
Further reading: rspca.org.uk; cats.org.uk.
Ultimate PawHouse
Taj-MeowHall
Cat-Cave