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I have gone through your question. I can understand your concern.
If the bleeding is still there and you are not able to sleep, change the guaze and wet the another guaze and put it there. If bleeding will not stop you can use a guaze with ice pack. My suggestion is do not be apprehensive, as raised blood pressure is also the cause for bleeding. You can also visit an emergency room for further treatment. The two reasons may be the left root stem and high blood pressure provided you do not have any underlying blood disorder. Yes do not sleep with guaze as it may obstruct your airway and can be fatal too.