|Sea grass can absorb so much humidity that it not only absorbs night sweat, but also excess room humidity. The second all-round talent is hemp. In its THC-free version, too, it promises a relaxed sleep. It’s highly recommended for people with allergies as, like sea grass, it’s completely resistant to moths and mould. The soft counterpart mattress is the horsehair model. However, unlike the usual horsehair mattress, the humidity-absorbing hair padding is not used as the topper, but as the core. Here, it can display all its positive properties without detracting from its ergonomic quality.