When you lie down, fluid accumulated during the day returns to the blood and is eliminated by the kidneys.
If you get up several times a night, it may be an early sign.
8. Dry cough or wheezing when lying down
A cough that appears during sleep, especially with a bubbling sensation in the chest, may indicate fluid in the lungs.
9. Palpitations or irregular heartbeats
The weakened heart may beat chaotically or rapidly.
It feels like thumps, jumps, or vibrations in the chest.
10. Dizziness or feeling faint
