Hypertension or Menopause: Night sweats can be a common symptom in menopausal women due to hormonal changes, and hypertension is also known to cause nocturnal sweating due to the body's increased blood pressure and heart rate.

Infections (e.g., Tuberculosis, Endocarditis): Certain infections can cause night sweats as part of their symptomatology, often accompanied by fever, weight loss, and other systemic symptoms.
Hormonal Imbalances (e.g., Hyperthyroidism, Pheochromocytoma): Hormonal imbalances can lead to an increase in metabolism, heart rate, and blood pressure, resulting in night sweats.
Medications (e.g., Antidepressants, Hormone Replacement Therapy): Various medications are known to cause night sweats as a side effect, often due to their impact on the body's hormonal and neurological systems.
Anxiety and Stress: Psychological factors such as anxiety and stress can lead to increased sympathetic activity, manifesting as night sweats.

Lymphoma: Although less common, lymphoma can present with night sweats, often accompanied by fever, weight loss, and lymphadenopathy. Missing this diagnosis could be fatal.
Other Cancers (e.g., Leukemia, Carcinoid Syndrome): Certain cancers can cause night sweats due to tumor production of cytokines or other substances that affect body temperature regulation.
HIV Infection: Night sweats can be an early symptom of HIV infection, and missing this diagnosis could lead to delayed treatment and poor outcomes.

Neurological Disorders (e.g., Autonomic Dysfunction, Syringomyelia): Rare neurological conditions can affect the body's ability to regulate temperature, leading to night sweats.
Sleep Disorders (e.g., Sleep Apnea, Restless Leg Syndrome): Certain sleep disorders can cause disruptions in normal sleep patterns, potentially leading to night sweats.
Gastrointestinal Disorders (e.g., Gastroparesis, Inflammatory Bowel Disease): Some gastrointestinal conditions can cause night sweats, often due to malabsorption, inflammation, or other mechanisms affecting the body's overall health.