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The male hormonal cycle also known as the irritable male syndrome is an increase and decrease on their testosterone level.

Male Hormonal Cycle
Male testosterone decreases as men go through the day, but it can also go up depending on what he does. Most men have a 24 hour cycle rather than 1 month cycle like women do. Some experts claimed that male hormonal cycle causes morning erection. Testosterone quantity is higher in the morning and lower at the night. The level of testosterone depends on how much sun people get, vitamin D, and sleep, among other things. People who have sleep problems and rarely go out will have lower testosterone levels. Low testosterone leads to an increase in emotional volatility, easily get angry, and other mood changes.

Types
There are three types of male irritable syndrome or male hormonal cycle: daily cycle, monthly cycle, and seasonal cycle. The level of testosterone varies in each individual, including genetics and ethnicity. Individuals with more lipids in their body have lower testosterone because the fat is more active in transforming testosterone into estrogen. Daily cycle happens everyday almost in every men. It is a cycle where men receive high level testosterone after sleep and the level of testosterone decreases throughout the night. Testosterone level can increase and decrease four to five times in an hour. Seasonal Cycle involved with a seasonal pattern. Testosterone level varies depending on which season it is. It is increases in the fall season and decreases in the spring.

Effects
Having adequate testosterone can benefit men's energy levels, awareness, and muscle tone. Men with high testosterone usually burn more fat than women. The amount of testosterone affects the muscles and bones development. Low testosterone leads to inability to maintain a good mood. This makes men feel not energized such as unhappy, aggressive, and less sex drive. Testosterone helps muscle growth and muscle endurance. However, low testosterone reduces the ability to regulate glucose in the blood. Individuals with low insulin resistance could lead to diabetes. Having excess quantity of testosterone contributes to prostate cancer risk.