One can use breathing exercises to slow down the brain
. Slow rythmic breathing while focusing on the air moving quites brain and brings peace. Avoiding coffee is also always good, don't want to feed the chipmunk. However, understanding that they are some energetic influences which affect the brain and using the appropriate tools to remove them can be extremely helpful. Spiri-Tool has great resources on many energy healing tools, as well as brain entrainment tools which can give you a real boost.