Several reasons: most commonly, the body just gets used to a motion. This occurs if you've been rocking steadily for hours (like on a boat, train, ocean). Can be vertigo w. inner ear, but that's truly rare.
Answered 7/23/2015
2.5k views
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question