The physical malaise we feel when we travel reflects a desynchronizing of all the clocks that reside in our tissues.
Michael W. Young
Melatonin levels start to rise around 9 or 10 at night in most people.
The energy moving through your body is quite rhythmic.
We were built to be rhythmic.
We can switch on the light at any time and make a sandwich. A great amount of people eat around the clock.
