What Are the Causes of Excessive Daytime Sleepiness in Women?

Hypersomnia is a condition characterized by excessive daytime sleepiness or sudden, uncontrollable episodes of sleep. Although such episodes may occur at any time, they most commonly arise during periods of inactivity or during monotonous, repetitive tasks. Hypersomnia is a neurological disorder that leads to irresistible sleep attacks. So, what are the causes of hypersomnia in women? The following section addresses this question.

Causes of Hypersomnia in Women

1. Anemia

Hemoglobin transports oxygen absorbed by the lungs to tissues and organs throughout the body. In anemia, hemoglobin levels decrease, impairing oxygen delivery. Consequently, insufficient blood supply results in symptoms such as cold extremities, generalized weakness, dizziness, and fatigue. Significant blood loss during menstruation or postpartum can readily lead to anemia.

2. Psychological Factors

Excessive sleepiness may result from conditions such as hysteria, depression, or persistent low mood. In schizophrenia, excessive sleepiness may sometimes be medication-induced. Additionally, numerous central nervous system depressants—including antipsychotics, sedatives, anticonvulsants, antihistamines, certain calcium channel blockers, long-acting hypnotics, and chronic alcohol use—can contribute to hypersomnia. Furthermore, withdrawal from stimulant medications may also trigger excessive sleepiness.

3. Organic Diseases

Examples include acute infections, malignancies, hypothyroidism, cardiovascular diseases, and renal failure. In acute infection and malignancy, hypersomnia may be associated with tumor necrosis factor, interleukin-1, or paraneoplastic syndromes causing neuronal loss in specific brain regions. Hypothyroidism-related hypersomnia may stem from reduced cardiac output or coexisting obstructive sleep apnea. Cardiovascular disease-associated hypersomnia may relate to periodic (Cheyne-Stokes) breathing and nocturnal hypoxemia during sleep.

4. Nutritional Deficiencies

Inadequate nutrition—particularly deficiencies in protein and vitamins—can also precipitate hypersomnia and fatigue. Therefore, maintaining balanced nutritional intake is essential. Consuming foods rich in high-quality protein helps enhance alertness and energy levels. Avoid selective or restrictive eating habits. Women with acidic body pH often experience fatigue, unexplained memory decline, headache, dizziness, constipation, and lower back pain. This is attributable to elevated lactate levels—an established primary contributor to fatigue.

The above outlines the major causes of hypersomnia in women. We hope this information proves helpful.