A computer-implemented method for reducing a risk of motion sickness from affecting an occupant in a moving vehicle (1), the method comprising: - receiving trajectory data representative of a trajectory to be travelled by the vehicle (1) over a predetermined distance; - predicting at least one acceleration to which the vehicle (1) will be subjected while travelling along said trajectory; and - providing information representative of at least the magnitude of the predicted at least one acceleration to the occupant, a predetermined time before occurrence of the predicted at least one acceleration.
