LISTEN | Why does the time change mess with my sleep, and what can I do about it?: The Dose 23:40 Why does the time change mess with my sleep, and what can I do about it?

While it usually only takes most Canadians a few days to adjust to the shift between daylight saving time and standard time, sleep experts say the biannual time travel harms sleep and has a negative affect on the body's internal clock.

"The internal body clock essentially aligns itself to the solar clock — the external light-dark environment," said Dr. Michael Mak, a psychiatrist and sleep medicine specialist at the Centre for Addiction and Mental Health.

"Any mismatch between your internal body clock and the external light-dark cycle translates to significant health issues."

Rather than switching back and f

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