The chances are very good that your sleeping and waking habits are more like those of your parents, brothers, and sisters, than like those of some stranger down the street.
Entrainment is a crucial word in the dictionary of chronobiology. It means a close alignment between the internal body clock(s) and the external world of day and night.
Find out your chronotype: take the AutoMEQ, our interactive self-assessment
The information from these self-assessments is meant to be shared with your doctor or therapist, and is not a substitute for advice from these professionals.