Is it normal to feel dizzy when lying down?
It isn’t considered normal to feel dizzy when lying down. The most common reason for experiencing this feeling is vertigo.
Vertigo is the feeling that everything around you is spinning, to the point that it affects your balance. It’s more intense than simply feeling dizzy. A vertigo incident can last from seconds to many hours. If you have a severe case of vertigo, it can last several days, weeks, or months.