Most Americans turned their clocks back one hour earlier this month, and Congress should see to it that they stay there — permanently.
DST’s presumed contributions to saving energy are spurious, a triumph of supposition over fact. Its harmful effects on human health are real, especially for young people. Our body clocks were set eons ago to what we know as standard time. Changing the hands on the kitchen clock doesn’t automatically reset our body clocks.
The body produces melatonin, essential to sleep, only after the sun sets and lights are darkened. Other internal processes related to the rising and setting of the sun control the immune system, cardiac and liver functions and hormone production.
