Black wristbands are used for various causes. Black wristbands are used for accident purpose. People wear wristbands to remember those people who have met with any accident and are injured. Anti terrorism wristband are used to stop terrorism. Black wristbands symbolize; gang prevention, gun control, Melanoma, Narcolepsy, sleep apnea, sleep disorders, and Mourning wristbands. Melanoma is a skin disease. 90% of the melanoma is caused by ultraviolet radiation either from the sun or tanning solutions. Sunburn at any age causes melanoma. So if you were black wristbands you can create awareness about Melanoma cancer. Mourning means grief over the death of someone. Mourning may also apply to the death of, or anniversary of the passing of, an important individual like a local leader, monarch, religious figure etc. rnrnBlack wristbands are worn to remember those lost loved ones. Narcolepsy is a chronic neurological disorder caused by the brain’s inability to regulate sleep wake cycles normally. At various times throughout the day, people with narcolepsy experience fleeting urge to sleep. Many people do not know about this type of disease, so if you wear a wristband with some information about this disease people will get diagnosed at the right time. Primary biliary cirrhosis is a disease of the liver that slowly destroys the medium-sized bile ducts within the liver. Wearing a black wristband will help people know about this disease and get diagnosed as soon as possible. If you want to give any donations for this cause do contact America liver foundation. rnrn Sleep apnea is very common, as it affects more than twelve million Americans, according to the National Institutes of Health. Sleep apnea is a serious sleep disorder that occurs when a person’s breathing is interrupted during sleep. We can reduce this problem be getting diagnosed. It is not a serious disease. By wearing a black wristband we can create awareness of this disease. A sleep disorder is a medical disorder of the sleep patterns of a person or animal. Some causes of sleep disorder are Anxiety, Back pain, chronic pain, neck pain, and Sciatica, Incontinence or Environmental noise. rnrnWearing a black wristband with some message relating to sleep disorder will help people know about this problem. Every person face sleeping disorder problem at least once in their life. Trauma has two common meanings. One refers to serious bodily injury, the second is an experience which shocks and has a lasting mental effect. Wearing a trauma wristband will help people know about this problem in advance, so that they can tackle it in a better way. rn