SIDE AIRBAG MODULE, VEHICLE SEAT, AND VEHICLE

A side airbag module () for a restraint device has a side airbag (), in particular a seat-integrated side airbag (), wherein the side airbag () includes at least a first chamber () and at least a second chamber () provided above the first chamber () which are fluidically connected to each other via a fluid communication, and wherein, in a first activated state of the side airbag module (), a first pressure (p) prevails in the first chamber () and, in a second activated state, a second pressure (p) prevails in the first chamber () and in the second chamber (), the first pressure (p) being higher than the second pressure (p).