The self-deployable tent comprises: a hoop structure comprising a base loop (2) and at least one top loop (3); and a roof sheet (5) secured to the base loop (2) and to the top loop (3). The tent further includes an inside chamber (6) disposed beneath the roof sheet (5), and having a top portion (6a) that is secured to the top loop (3) by flexible spacer means (8), and a bottom portion that is secured to the base loop (2). In the deployed position, the tension in the roof sheet (5) and the inside chamber (6) is such that they are held apart from each other by the spacer means (8).