Apparatuses and methods for medical monitoring physiological
characteristic values such as blood glucose levels for the treatment of
diabetes, are presented. The apparatuses and methods provide for
preventing any negative consequence in the operation of a monitor and/or
infusion device as a result of disorientation that may occur from waking
from slumber with a low blood glucose level. In addition, a graphical
display is disclosed incorporating a variety of enhancements which
readily conveys to the user historical as well as real time information
regarding the measured characteristic value.