I usually get depress during winter, why could that be?

Answer 1

Seasonal affective disorder (SAD), or lack of Vitamin D which sunlight can provide.

Answer 2

its a condition (no lie)

it has to do with the lack of sunlight.
its called seasonal affectedness disorder:

i found this online:
The disorder, commonly referred to as the "winter blues," is a condition that sets in during the late fall months and usually lasts until spring.

The condition stems from a lack of sunlight, which in turn creates a lack of serotonin, the hormone that makes people feel happy and energetic.

Students in their late teens and early 20s are at higher risk for the condition, according to the American Psychiatric Association. Women are also more likely to be affected by the disorder.

Answer 3

It could be Seasonal Affective Disorder (SAD). Happens to those who get depressed in the seasons with less daylight- ie., winter. Try a UV lamp at work or in your home, studies have shown that exposure to UV light can help SAD patients feel better.

Answer 4

I suppose because during then everything is cold. During then, I feel a mixture of feelings like joy (x-mas), sadness (death of an uncle a year and half ago) and then it's the end, and the beginning, New year's.

Answer 5

Many people have SAD, Seasonal Affective Disorder; I know personally I tend to get more sad when it's dark and cold, but it goes further than that. Research it further, SAD could be your problem.

Answer 6

Look up "seasonal affective disorder'' and see if it sounds like what you are experiencing.

Answer 7

What Is Seasonal Affective Disorder?
Seasonal affective disorder (SAD) is a form of depression that appears at the same time each year. With SAD, a person typically has symptoms of depression and unexplained fatigue as winter approaches and daylight hours become shorter. When spring returns and days become longer again, people with SAD experience relief from their symptoms, returning to their usual mood and energy level.

What Causes SAD?
Experts believe that, with SAD, depression is somehow triggered by the brain's response to decreased daylight exposure. No one really understands how and why this happens. Current theories about what causes SAD focus on the role that sunlight might play in the brain's production of key hormones. Experts think that two specific chemicals in the brain, melatonin and serotonin, may be involved in SAD. These two hormones help regulate a person's sleep-wake cycles, energy, and mood. Shorter days and longer hours of darkness in fall and winter may cause increased levels of melatonin and decreased levels of serotonin, creating the biological conditions for depression.

Melatonin is linked to sleep. The body produces this hormone in greater quantities when it's dark or when days are shorter. This increased production of melatonin can cause a person to feel sleepy and lethargic. With serotonin, it's the reverse - serotonin production goes up when a person is exposed to sunlight, so it's likely that a person will have lower levels of serotonin during the winter when the days are shorter. Low levels of serotonin are associated with depression, whereas increasing the availability of serotonin helps to combat depression.

What Are the Symptoms of SAD?
A person with SAD will show several particular changes from the way he or she normally feels and acts. These changes occur in a predictable seasonal pattern. The symptoms of SAD are the same as symptoms of depression, and a person with SAD may notice several or all of these symptoms:

Changes in mood. A person may feel sad or be in an irritable mood most of the time for at least 2 weeks during a specific time of year. During that time, a guy or girl may feel a sense of hopelessness or worthlessness. As part of the mood change that goes with SAD, people can be self-critical; they may also be more sensitive than usual to criticism and cry or get upset more often or more easily.
Lack of enjoyment. Someone with SAD may lose interest in things he or she normally likes to do and may seem unable to enjoy things as before. People with SAD can also feel like they no longer do certain tasks as well as they used to, and they may have feelings of dissatisfaction or guilt. A person with SAD may seem to lose interest in friends and may stop participating in social activities.
Low energy. Unusual tiredness or unexplained fatigue is also part of SAD and can cause people to feel low on energy.
Changes in sleep. A person may sleep much more than usual. Excessive sleeping can make it impossible for a student to get up and get ready for school in the morning.
Changes in eating. Changes in eating and appetite related to SAD may include cravings for simple carbohydrates (think comfort foods and sugary foods) and the tendency to overeat. Because of this change in eating, SAD can result in weight gain during the winter months.
Difficulty concentrating. SAD can affect concentration, too, interfering with a person's school performance and grades. A student may have more trouble than usual completing assignments on time or seem to lack his or her usual motivation. A person with SAD may notice that his or her grades may drop, and teachers may comment that the person seems to have less motivation or is making less effort in school.
Less time socializing. People with SAD may spend less time with friends, in social activities, or in extracurricular activities.
The problems caused by SAD, such as lower-than-usual grades or less energy for socializing with friends, can affect self-esteem and leave a person feeling disappointed, isolated, and lonely - especially if he or she doesn't realize what's causing the changes in energy, mood, and motivation.

Like other forms of depression, the symptoms of SAD can be mild, severe, or anywhere in between. Milder symptoms interfere less with someone's ability to participate in everyday activities, but stronger symptoms can interfere much more. It's the seasonal pattern of SAD - the fact that symptoms occur only for a few months each winter (for at least 2 years in a row) but not during other seasons - that distinguishes SAD from other forms of depression.

Who Gets SAD?
SAD can affect adults, teens, and children. It's estimated that about 6 in every 100 people (6%) experience SAD. The prevalence of SAD varies from region to region. One study of SAD in the United States found the rates of SAD were seven times higher among people in New Hampshire than in Florida, suggesting that the farther someone lives from the equator, the more likely they are to develop SAD. Interestingly, when people who get SAD travel to lower latitude areas during winter (those far south of the equator that experience longer daylight hours during winter months), they do not experience their seasonal symptoms. This supports the theory that SAD is related to light exposure.

Most people don't experience seasonal depression (SAD), even if they live in areas where days are shorter during winter months. Experts don't fully understand why certain individuals are more likely to experience SAD than others. It may be that some people are more sensitive than others to variations in light, and therefore may experience more dramatic shifts in hormone production, depending on their exposure to light.

Like other forms of depression, females are about four times more likely than males to develop SAD, as are people with relatives who have experienced depression. Individual biology, brain chemistry, family history, environment, and life experiences may also make certain individuals more prone to SAD and other forms of depression.

Researchers are continuing to investigate what leads to SAD, as well as why some people are more likely than others to experience it.

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