Seasonal affected disorder (SAD) is one of the mood disorders which come with seasons, most common on winter and summer. The effects of the disorders various with individuals but common characteristic is mood swings. In some case the symptoms can be actually severe although they tend to clear up with time. Individuals experience swinging moods including carving, oversleeping, and other. In some cases, the disorder may come with heightened anxiety which comes after SAD, commonly referred to as Reverse Seasonal Affective Disorder. There are different types of treatment for the disorder which includes use of light therapies, medication and administration of ionized air, CBT, and home supplementation.