[Object] To provide a PSG test apparatus suitable for home-monitoring.[Solving Means] A PSG test headgear according to the present disclosure includes an electroencephalogram electrode, an electrooculogram electrode, and an oxygen saturation sensor. The electroencephalogram electrode acquires an electroencephalogram of a user. The electrooculogram electrode acquires an electrooculogram of the user. The oxygen saturation sensor acquires an oxygen saturation of the user.