Introduction
Many women experience fatigue and low energy levels during their menstrual cycle, especially on the first day of their period. While it is a common experience, there are several factors that contribute to this phenomenon.

Hormonal Changes
During the menstrual cycle, hormone levels fluctuate, which can affect energy levels. Estrogen levels are typically low during the first day of the period, which can lead to feelings of fatigue and lethargy. Progesterone levels also decrease during the menstrual cycle, which can cause mood swings, irritability, and fatigue.

Anemia
Anemia is a condition in which the body does not produce enough red blood cells or hemoglobin. Hemoglobin is responsible for carrying oxygen to the body’s tissues, and a lack of it can cause fatigue and weakness. Many women experience anemia during their menstrual cycle due to blood loss, which can lead to a decrease in energy levels and feelings of fatigue.

Inflammation
Inflammation is a natural response of the body to injury or infection. During menstruation, the uterus sheds its lining, which can cause inflammation and cramping. This inflammation can also spread to other parts of the body, causing feelings of fatigue and lethargy.

Sleep Disturbances
Many women experience sleep disturbances during their menstrual cycle, such as insomnia or restless sleep. These disturbances can cause feelings of fatigue and low energy levels during the day.

Stress
Stress can also contribute to feelings of fatigue and low energy levels. During the menstrual cycle, women may experience increased stress due to physical discomfort, changes in hormone levels, and emotional changes. This stress can lead to feelings of fatigue and exhaustion.

How to Manage Fatigue During Menstruation
There are several ways to manage fatigue and low energy levels during menstruation:

Get enough rest: It is important to get enough sleep during the menstrual cycle to help the body recover and reduce feelings of fatigue.

Exercise: Exercise can help improve energy levels and reduce feelings of fatigue. Gentle exercises like yoga and stretching can be especially helpful during menstruation.

Eat a balanced diet: A balanced diet that includes plenty of fruits, vegetables, and lean proteins can help provide the body with the nutrients it needs to maintain energy levels.

Manage stress: Finding ways to manage stress, such as meditation, deep breathing, or talking to a therapist, can help reduce feelings of fatigue and exhaustion.

Stay hydrated: Drinking plenty of water can help prevent dehydration, which can contribute to feelings of fatigue.

Conclusion
Feeling tired during the first day of the menstrual cycle is a common experience for many women. Hormonal changes, anemia, inflammation, sleep disturbances, and stress are all factors that can contribute to feelings of fatigue and low energy levels. Managing fatigue during menstruation involves getting enough rest, exercising, eating a balanced diet, managing stress, and staying hydrated. If fatigue persists, it is important to consult a healthcare provider to rule out any underlying medical conditions.