Sometimes known as “Winter Depression,” Seasonal Effective Disorder” or SAD for short, is the recognised Health condition where the symptoms are usually more apparent and more severe during the winter. Some of the symptoms can be quite severe and include a persistent low mood, loss of pleasure or interest in normal everyday activities, irritability, feelings of despair, guilt and worthlessness, feeling lethargic (lacking in energy) and sleepy during the day, sleeping for longer than normal and finding it hard to get up in the morning, craving carbohydrates and gaining weight, difficulty concentrating and a decreased sex drive.