A member asked:

Get this feeling as if i am falling forwards when sleeping on plane - 1-2 second - why?

A doctor has provided 1 answer

Hypnic jerks: Typically this is light sleep and may include hypnic jerks. This is often made worse by the fact that sitting in upright position and loss of postural muscle tone actually causes you to to lose your position.

Answered 11/18/2012

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