While the short, dark days of winter trigger seasonal affective disorder (SAD) in many people, the sunny days of summer bring on SAD for a small percentage of the population -- 1% according to the National Alliance on Mental Illness (NAMI). Sometimes called reverse seasonal affective disorder, summer SAD can be just as debilitating as its\u00a0winter\u00a0counterpart. In fact, research shows that despite popular belief that winter months and holidays bring about a spike in depression, suicide rates actually peak during\u00a0spring\u00a0and\u00a0summer\u00a0months. Seasonal Affective Disorder - Summer Symptoms Researchers\u00a0have found both similarities and differences between summer seasonal depression and winter SAD. While summer seasonal affective disorder symptoms vary by individual, they typically include: \tLoss of appetite \tWeight loss \tInsomnia \tAnxiety \tAgitation \tIsolation Winter SAD symptoms are often the flip side of these and include feeling sluggish and apathetic, sleeping more, overeating, carbohydrate cravings and weight gain. Both winter and summer SAD have overlapping symptoms such as hopelessness and depression. What Causes Summer Seasonal Depression Like winter SAD, summer seasonal affective disorder likely results from the perfect storm of environmental, psychological and genetic factors. Research is still new, but scientists theorize that underlying contributors to summer SAD include: Biology Genetics play a large role in mental health disorders. Research shows if your parents or siblings have depression, you\u2019re two to three times more likely to develop depression. So, it makes sense that research also shows that if your family members are depressed, you\u2019re\u00a0more likely\u00a0to suffer from\u00a0seasonal affective disorder. Scientists have even found\u00a0evidence\u00a0for a specific gene mutation that might make people more susceptible to seasonal depression. Melatonin Changes The change in seasons brings on variations in exposure to the sun and day length, causing fluctuations in melatonin. While scientists aren\u2019t exactly sure of\u00a0melatonin\u2019s role\u00a0in reverse SAD, they theorize that the melatonin disruptions impact serotonin levels and cause shifts in people\u2019s circadian rhythms. Fluctuations in circadian rhythms can throw a number of functions out of whack like sleep, mood and appetite. Allergies Summer\u00a0months see a rise in pollen and other allergens. For some people, exposure causes inflammation in the airways, runny noses and other symptoms.\u00a0Research\u00a0shows that people suffering from hay fever, asthma and other allergies are about 50% more likely to also have depression symptoms and that\u00a0moods\u00a0worsen with high pollen counts. Heat Some researchers surmise that high temperatures play a part in summer seasonal affective disorder.\u00a0Studies\u00a0have linked hot temperatures to increased agitation, violence and low mood. Agitation\u00a0is\u00a0a common symptom of depression. Poor Sleep Longer days and shifts in sunlight exposure and melatonin can impact sleep. Insomnia is a common symptom of summer seasonal depression. A large body of\u00a0research\u00a0has linked sleep disruptions with depression and other mood disorders. Schedule Changes Some people are very sensitive to shifts in their routines -- negative or positive. Schedules can rev up with activities and obligations during the summer months or become much less busy depending on the individual. These changes may make some people feel more agitated or down. Seasonal Affective Disorder and Co-Occurring Disorders Because some of the same biological and environmental factors associated with winter SAD come into play with summer seasonal affective disorder, people with summer SAD could be at risk for similar\u00a0co-occurring disorders. These may include: \tBipolar disorder \tSubstance abuse \tPanic disorder \tGeneralized anxiety disorder \tObsessive compulsive disorder \tADHD \tBulimia Treating Summer Seasonal Affective Disorder You don\u2019t have to wait out the summer months feeling miserable. Interventions\u00a0that might help summer SAD include: Attend Therapy Regularly seeing a mental health counselor can help you work through thoughts and behaviors that contribute to depression. Because seasonal affective disorder -- summer and winter varieties -- puts you at greater risk for major depression disorder and other mental health issues, a therapist can help you stay on top of your mental health and refer you to a psychiatrist or a higher level of care if appropriate. Consider Antidepressants Studies\u00a0indicate antidepressants can help ease SAD symptoms. Selective serotonin reuptake inhibitors (SSRIs) like sertraline and fluoxetine have been shown to be particularly effective in treating SAD. Keep Cool Because heat can cause agitation and irritability that may compound depression, seek out air conditioning and shade. Catch Some Z\u2019s Good sleep hygiene is a large part of proper self-care. Poor sleep can trigger depression. Adults should get between seven and nine hours of sleep a night, though some people require up to 10 hours\u00a0to support\u00a0good physical and mental health. Dim the Lights While there are no studies yet to confirm that darkness helps people with summer SAD,\u00a0psychologists\u00a0hypothesize that spending more time in darkened rooms may help symptoms. This is based on research\u00a0showing\u00a0light therapy helps people with winter SAD. The\u00a0rationalization\u00a0is that people with summer SAD need shorter days and more darkness to regulate their circadian rhythms, similar to how people with winter SAD need the opposite conditions. Get Moving Exercise has been\u00a0shown\u00a0to benefit mental health and stave off depression symptoms, no matter what the season.\u00a0No\u00a0need to run a marathon. Even moderate exercise like brisk walking can provide mental health benefits.