These second pumps are silent and if you keep your air mattress plugged in all night will sense any air leakage and automatically add any needed air throughout the night.
Air mattress losing air fast.
Of course they re also much cheaper more portable more hygienic and offer adjustable rigidity so they re still worth considering.
Many air mattresses users are perplexed by the fact with their air mattress losing air but no hole deflate overnight even when they had filled them to capacity the night before.
This can be quite frustrating especially if you have guests using your air mattress for the very first time.
What you can do to prevent an air mattress from losing air.