"The groundwork of all happiness is health." - Leigh Hunt

BC’s switch to everlasting DST adds to the ‘perfect storm’ for poor teen sleep and mental health.

The British Columbia government recently declared the province. Adopt permanent Daylight Saving Time (DST).. He framed the choice as a technique to improve health, reduce congestion, simplify scheduling, and supply daylight within the evenings.

The adoption of everlasting DST raises significant concerns about this. Social jet lag and long-term health effects. Scientific evidence indicates that persistent DST leads to a chronic misalignment between people’s day by day clock-based schedules and their internal biological clock.

This mismatch is referred to as social jet lag, which ends up in sleep deprivation and negative health effects, as detailed by Canadian Sleep Society, Canadian Society for Chronobiology, Canadian Sleep Research Consortium And American Academy of Sleep Medicine.

As nurses researching kid’s sleep, we concentrate on Promote proper sleep For children, adolescents and their families. We are particularly concerned in regards to the effect of constant DST on sleep for teenagers because they’re already experiencing social jet lag.

Circadian rhythm

BC Premier David Abbey speaks during a news conference after the Throne Speech on the legislature in February 2026 in Victoria.
The Canadian Press/Chad Hippolyto

Our Internal body clock Uses morning light to assist us “reset” our circadian rhythm. Light helps regulate our body’s internal functions, comparable to digestion, metabolism, hormone regulation and mood. This resetting of day by day light helps people synchronize their biological clocks with the sun.

Canada’s northern latitudes give Canadians a dose of morning light in the course of the summer months. Going back to plain time in the autumn brings morning light as the times get shorter. This wouldn’t be the case with everlasting DST, which—versus keeping standard time year-round—continuously maintains DST’s artificial one-hour time switch.

DST changes clock time without changing solar time, so circadian rhythms are out of sync with school and work responsibilities, leading to Social jet lag. Social jet lag increases the danger of smoking, excessive alcohol and caffeine consumption, and the next incidence of mental health problems. It also increases. Risk of obesity, diabetes and cardiovascular disease.

One out of three Canadian teenagers don’t get eight to 10 hours of sleep per night. Recent estimates suggest. More than half are teenagers Not getting enough sleep.

Social jet lag is already common amongst teenagers, who “The perfect stormFor lack of sleep. This perfect storm is attributable to biological (eg, hormonal) and psychosocial changes toward later bedtimes and waking hours. Social jet lag occurs because they need to stand up for varsity on weekdays. Layering everlasting DST on top of already existing social jet lag will likely make the very best storm for sleep deprivation worse.

The severity of adolescent sleep deprivation and social jet lag is reflected within the difference in the quantity and timing of sleep on weekdays (once they need to stand up for varsity or work) in comparison with weekends (when many can sleep). On average, Canadian teenagers sleep approx. One hour longer on weekdays than on weekendswith large differences observed for Female teenagers And those that Identity beyond the gender binary.

A teenage boy wearing glasses sits at a desk with a notebook and pencil, his face in his hands.
Chronic sleep deprivation in adolescents is linked to attention, behavioral and learning problems, and an increased risk of depression and self-harm.
(Unsplash+/Getty Images)

Chronic sleep loss in adolescents is related to this. Problems with attention, behavior and learning, and an increased risk of depression and self-harm. A recent review found that low sleep duration in adolescents was related to a 55% increased chance of mood disorderscomparable to anger, depression, negative affect and anxiety. Even younger (14 years) with lower than seven hours of sleep Increased risk for substance abuse, antisocial behavior and sensation seeking.

Sleep duration is a comparatively modifiable factor which will protect against this. Adolescent Mental Health. When Russia adopted everlasting DST in 2011 (before going back in 2014), teenagers experienced Higher rates of sleep deprivation, increased social jet lag and increased depressed mood in the winter, especially for those located in more northern communities..

Late sunrise

Canada’s wide variation in day and night length will exacerbate the consequences of everlasting DST. For example, adopting everlasting DST signifies that cities like Victoria, Vancouver and Kamloops won’t see sunrise after 9 a.m. in the course of winter. This will apply to many other cities including Calgary, Edmonton, Regina, Winnipeg and Saint John if those areas adopt everlasting DST.

The late sunrise will especially affect more northern communities, comparable to Fort St. John, where the sun doesn’t rise until 10:30 a.m. in December. More northern communities, including many indigenous, rural and distant communities, often There are already health inequitiesincluding reduced access to Medical services And Other mental health resources. This reduced access may worsen the consequences of persistent DST on sleep and mental health.

Experimentation with everlasting DST is prone to have significant effects over time. Evidence suggests negative effects on youth sleep and well-being. Researchers, health care providers, policymakers, and the general public might want to work together to observe sleep duration, mood, health behaviors, and other intended and unintended consequences of transitioning to everlasting DST for adolescents.

Funded research to evaluate population-level changes is critical to providing evidence in regards to the effects of everlasting DST for youth living in British Columbia.