During Sleep you should mainly breath through your nose. This allows the air to be of better quality , as it is warmed and humidified, and you will actually get more oxygen. This can lead to a better and more restful nights sleep
During Sleep you should mainly breath through your nose. This allows the air to be of better quality , as it is warmed and humidified, and you will actually get more oxygen. This can lead to a better and more restful nights sleep