In most cases, seasonal affective disorder symptoms appear during late fall or early winter and go away during the sunnier days of spring and summer. Less commonly, people with the opposite pattern have symptoms that begin in spring or summer. In either case, symptoms may start out mild and become more severe as the season progresses. Signs and symptoms of SAD may include: SAD  Feeling listless, sad or down most of the day, nearly every day Losing interest in activities you once enjoyed Having low energy and feeling sluggish Having problems with sleeping too much Experiencing carbohydrate cravings, overeating and weight gain Having difficulty concentrating Feeling hopeless, worthless or guilty Having thoughts of not wanting to live  Fall and winter SAD Symptoms specific to winter-onset SAD, sometimes called winter depression, may include: SAD  Oversleeping Appetite changes, especially a craving for foods high in carbohydrates Weight gain Tiredness or low energy  Spring and summer SAD Symptoms specific to summer-onset seasonal affective disorder, sometimes called summer depression, may include:  Trouble sleeping (insomnia) Poor appetite Weight loss Agitation or anxiety Increased irritability  Seasonal changes and bipolar disorder People who have bipolar disorder are at increased risk of seasonal affective disorder. In some people with bipolar disorder, episodes of mania may be linked to a specific season. For example, spring and summer can bring on symptoms of mania or a less intense form of mania (hypomania), anxiety, agitation and irritability. They may also experience depression during the fall and winter months.
cases  seasonal affective disorder symptoms late fall early winter away sunnier days spring summer  commonly  people opposite pattern symptoms begin spring summer  case  symptoms may start mild severe season progresses  signs symptoms sad may include: sad  feeling listless  sad down day  nearly day losing interest activities once enjoyed low energy feeling sluggish problems sleeping experiencing carbohydrate cravings  overeating weight gain difficulty concentrating feeling hopeless  worthless guilty thoughts wanting live  fall winter sad symptoms specific winter-onset sad  called winter depression  may include: sad  oversleeping appetite changes  especially craving foods high carbohydrates weight gain tiredness low energy  spring summer sad symptoms specific summer-onset seasonal affective disorder  called summer depression  may include:  trouble sleeping (insomnia) poor appetite weight loss agitation anxiety increased irritability  seasonal changes bipolar disorder people who bipolar disorder increased risk seasonal affective disorder  people bipolar disorder  episodes mania may linked specific season  example  spring summer can bring symptoms mania intense form mania (hypomania)  anxiety  agitation irritability  may experience depression fall winter months
seasonal affective disorder