Orthostatic Hypotension: This condition is characterized by a significant drop in blood pressure when standing up from sitting or lying down, leading to dizziness and balance issues. Symptoms often improve as the day progresses due to increased fluid intake and the body's adaptation to the upright position.

Dehydration: Morning dehydration can lead to low blood pressure and dizziness, which may improve as the individual consumes fluids throughout the day.
Anxiety or Panic Disorder: Anxiety can cause dizziness and lightheadedness, especially in the morning, and may improve as the day goes on and the individual becomes more active or distracted.
Sleep Disorders: Certain sleep disorders, such as sleep apnea or insomnia, can lead to morning dizziness and low blood pressure due to poor sleep quality or decreased blood volume.

Cardiac Conditions (e.g., Heart Failure, Arrhythmias): Although less common, cardiac issues can cause low blood pressure and dizziness, particularly in the morning. Missing these diagnoses could be life-threatening.
Neurological Disorders (e.g., Parkinson's Disease, Multiple System Atrophy): Certain neurological conditions can cause orthostatic hypotension, and early diagnosis is crucial for proper management.
Adrenal Insufficiency: This rare condition, also known as Addison's disease, can cause low blood pressure, dizziness, and other symptoms that may worsen in the morning.

Pheochromocytoma: A rare tumor of the adrenal gland that can cause episodic low blood pressure and dizziness, often accompanied by other symptoms like headaches and palpitations.
Autonomic Dysfunction: A rare condition characterized by dysfunction of the autonomic nervous system, which can lead to orthostatic hypotension and other symptoms.
Vasovagal Syncope: A condition that causes fainting spells, often triggered by specific stimuli, and may be accompanied by low blood pressure and dizziness in the morning.