and weakness
Standing up, walking, or engaging in light activity can cause dizziness, muscle weakness, or brief blurred vision. These symptoms indicate an insufficient supply of oxygen to the muscles and brain, impairing their function.
3. Rapid heartbeat (Tachycardia)
If your heart rate exceeds 100 beats per minute at rest, or if you experience unusual heart palpitations while lying down, this could indicate a drop in oxygen levels. The heart compensates by pumping faster to distribute the available oxygen.
4. Muscle pain and cramps
Muscle cramps or chest pain, such
