A member asked:

What causes fainting immediately after waking up from a nap? this happened to my girlfriend twice already, and she doesn't remember it happening.

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

Not sure: Is she fainting if going from lying down to rapidly standing up? If so this could be caused by gravity pulling blood down into her lower extremities with less blood to the brain. It is always important to hydrate well and helps to rise slowly from lying to sitting to standing.

Answered 5/2/2017

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