im 31 yrs old, height: 5'1", weight: 48kgs...i lack sleep the other day and the next day i woke up early going out under the sun for may an hour before 8am then tried to relax, my head began to ache little by little, til late afternoon... at night i travel riding a car and along the way i feel too much discomfort, my head aches too much and i want to vomit...so i hurriedly vomit in a nearby gasoline station and after vomiting my nose bleeds...i wonder why it bleeds....does it have any relation at all?...can you help answer my query?