Changing the clocks twice a year is intended to save energy, But the harm of switching up the clocks outweighs the energy-saving benefits, scientists have said. 

There is a growing consensus that’ll shifts disrupt our sleep schedules and harm our health. It causes confusion and disturb daily life.It aggravates an existing problem: Many people already miss out on the sleep necessary for good health.

Dr. Rafael Pelayo, a sleep specialist with the Stanford Sleep Medicine Center said"That is because our bodies take days to adjust to an altered sleep schedule. Even though you're just getting an hour less of sleep, it takes about five days to get back in sync,"

The AASM (American Academy of Sleep Medicine) "We've had evidence slowly building up over the years, in terms of the adverse effects when we move from daylight saving time to standard time, and vice versa," said AASM President Dr. Kannan Ramar, a sleep medicine specialist at the Mayo Clinic.

AASM has called for a permanent, countrywide transition to standard time, and Ramar noted the simplicity of a single system. Citing the variations in location, lifestyle and preference, 

Even though the AASM prefers standard time, it's likely either one would be an improvement over the biannual reset.