Devices and methods for the prevention and treatment of disorders related to stress and poor sleep are provided. A headgear device is provided that delivers heated water vapor to the crown of the wearer's head, which has been observed to facilitate sleep and reduce the symptoms of stress. Methods of facilitating sleep and reducing stress are provided that involve exposing the crown to heated water vapor. Further embodiments of the device and methods for use thereof provide relief to other parts of the body, such as joints and back muscles.