AP PSYCHOLOGY

Detailed explanation-1: -Reduced sunlight can cause a drop in serotonin that may trigger depression. Melatonin levels. The change in season can disrupt the balance of the body’s level of melatonin, which plays a role in sleep patterns and mood.

Detailed explanation-2: -When sunlight enters your eyes, it stimulates the parts of your retina that then cue your brain to produce serotonin. Serotonin appears to play a role in regulating mood, emotions, appetite, and digestion.

Detailed explanation-3: -Sunshine may play a role in regulating hormones and sleep patterns by affecting the melatonin circadian rhythm. Melatonin is a hormone produced in the pineal gland, from the chemical melanin. Melanin is produced in the skin through sun exposure. Melatonin helps with inducing sleep.

Detailed explanation-4: -Evidence is presented for a role of melatonin and serotonin in controlling the neuroendocrine and immune networks and in inhibiting the development of ischemic heart and Alzheimer’s disease, tumor formation and other degenerative processes associated with aging.

Detailed explanation-5: -The lack of sunlight may stimulate an overproduction of melatonin in some people. You may feel sluggish and sleepy during the winter. Negative thoughts: People with SAD often have stress, anxiety and negative thoughts about the winter.