Omega-3 fatty acids are a group of polyunsaturated fatty acids that are important for a number of functions in the body. They are found in foods such as fatty fish and vegetable oils and are also available as dietary supplements. People take omega-3 supplements to improve their health and prevent various diseases. This fact sheet [...]

People who have trouble sleeping may try dietary supplements, relaxation therapies, or other forms of complementary and alternative medicine (CAM) in an effort to fall asleep faster, stay asleep longer, and improve the overall quality of their sleep. This fact sheet provides basic information on sleep disorders and "what the science says" about the effectiveness [...]