Another effect of sleep deprivation that I have felt is that when sleep deprived, the body's tollerance for alcohol, (and probably other drugs), is much lowered, so a small amount of alcohol will have more effect on you when you're very tired.
Mastoiditis can cause pain behind the ear and down the neck. MedlinePlus states that mastoiditis is an infection of the mastoid bone of the skull, which is located directly behind the pinna or the outside portion of the ear.hoto Credit Jupiterimages/Photos.com/Getty Images. Numerous conditions can cause pain behind the ear and down the neck. According to MedlinePlus, a publication of the National Institutes of Health, neck pain can travel to other parts of the body, such as the shoulder, arm and head.
Lymph nodes tend to swell and can cause other symptoms like fever, tenderness, pain and fatigue. Lymph glands found in front of the ear are called preauricular lymph nodes, which drain lymph from around the eyes, cheeks, and scalp near the temples.here are many possible causes why you can develop a lump near the ear, but fortunately, most of these lumps are benign (not cancerous). Possible Causes of Lump near the Ear. One of the most common causes of lumps or bumps near the ear is a swollen lymph node.