Time Change Disrupts Sleep for Most Canadians, Survey Reveals

A recent survey conducted by Léger highlights a significant impact on the sleep patterns of Canadians due to time changes. This survey reveals that over 40% of Canadians experience sleep debt, defined as getting less than seven hours of sleep each night. Additionally, 67% report disruptions to their sleep routine following the shift to daylight saving time, often taking several days to return to normalcy.
Impact of Time Change on Canadians’ Sleep
Dr. Annick Vincent, a psychiatrist, uses a financial analogy to describe sleep debt. She explains that just like in finances, where immediate payments prevent debt accumulation, adequate sleep is crucial for health and well-being.
Consequences of Sleep Deficiency
Lack of sleep does not only hinder energy recovery but also affects learning, memory, and overall metabolic and cardiovascular health. Dr. Vincent points out that losing even an hour of sleep can have immediate consequences, likening the brain’s performance to that of someone with attention deficit disorder.
In today’s performance-driven society, many individuals sacrifice sleep for productivity, ultimately reducing their cognitive abilities and workplace efficiency.
Mental Health Implications
Good sleep is vital for regulating attention and mood, as well as making thoughtful decisions. Dr. Vincent notes that sleep deprivation increases impulsiveness and the risk of accidents, highlighting that 18% of Canadians have driven while feeling unfit due to lack of sleep from the time change, a figure that drops to 16% among Quebec residents.
Survey Findings
- 45% of Canadians say losing an hour of sleep worsens their sleep issues.
- 65% struggle with sleep disorders, with 55% in Quebec reporting difficulties falling asleep.
- Only 11% recover their sleep routine the same day after the time change.
- 59% feel the effects of lost sleep the following day, citing fatigue and decreased productivity as the primary consequences.
Strategies for Better Sleep Adaptation
Dr. Vincent recommends establishing a consistent wake-up time to ease the transition into the new time. She suggests that those who have trouble adjusting should seek reliable resources to understand sleep disorders. For further assistance, individuals can visit dormezladessuscanada.ca, a public health campaign focused on improving sleep across Canada.
A total of 1,570 Canadians participated in this survey conducted between January 30, 2025, and February 1, 2026, with a margin of error of approximately 2.5%, 19 times out of 20. The coverage of health-related topics is supported by a partnership with the Canadian Medical Association, ensuring high-quality journalistic content.




