In my opinion this is normal. Sometimes I will feel a tingly sensation, not necessarily chills, but everyone is different. As your physical body adapts over time of doing the meditations this symptom, or feeling, should go away or not bother you as much.
From: Kit Morey <
kitmorey819@...
To:
Sent: Sunday, January 20, 2013 10:31 PM
Subject: Chills when meditating