Sweden
Sleep Debt Calculator & Sleep Guide for Stockholm
Stockholm's daylight swings from just over 6 hours in winter to nearly 18.7 hours in summer — a 12.55-hour range that's the second-largest of any city on this hub, behind only Anchorage, and Stockholm is also one of only three European metro areas (alongside Berlin and Vienna) included in a real, long-term (4-10 year) academic Sky Quality Meter monitoring study tracking night-sky brightness trends over time.
Stockholm's Daylight & Circadian Rhythm
Real-time, computed directly from Stockholm's coordinates — not a static or estimated figure. Latitude determines how much a city's daylight hours shift across the year, which is one of the environmental cues circadian researchers link to sleep-wake timing; the wider the swing, the bigger the seasonal adjustment a city's residents' body clocks have to make. See the comparison section below for how Stockholm's specific swing stacks up against the other cities on this hub.
Today's sunrise
05:24
Today's sunset
20:17
Seasonal daylight swing
6.08h – 18.63h
Computed directly from Stockholm's latitude/longitude using standard solar position equations — a 12.5-hour swing between shortest and longest day of the year.
Light Pollution in Stockholm
Stockholm is one of three major European metropolitan areas (alongside Berlin and Vienna) included in a real, published long-term study using Sky Quality Meters to measure night-sky brightness trends across 26 sites over 4 to 10 years — genuine, ongoing academic monitoring of the city's actual light pollution levels over time, not a single snapshot estimate. Long-term trends of light pollution assessed from SQM measurements and an empirical atmospheric model, arXiv/MNRAS
Sleep Data for Stockholm
We don't have a rigorous, Stockholm-specific sleep-duration survey to cite. What we do have is real, precisely computed daylight data: Stockholm's 12.55-hour seasonal swing is the second-largest of any city on this hub, and the city is part of an ongoing, real academic light-pollution monitoring program tracking actual night-sky brightness trends over multiple years, rather than a single estimate. Long-term trends of light pollution assessed from SQM measurements, arXiv/MNRAS (Puschnig et al.)
Stockholm-Specific Sleep Disruptors
The second-most extreme daylight swing of any city on this hub
Stockholm's daylight ranges from about 6.08 hours in winter to 18.63 hours in summer — behind only Anchorage among every city covered here, and substantially larger than every other European city on this hub, including Berlin (9.19h) and Edinburgh (10.65h).
Real, ongoing, multi-year light-pollution monitoring
Unlike most cities on this hub where light pollution is inferred from a single-year atlas snapshot, Stockholm is part of a real, published academic study tracking Sky Quality Meter measurements over 4 to 10 years — genuine longitudinal data on how the city's night-sky brightness is actually changing over time.
A Nordic climate compounding the daylight-swing challenge
Stockholm's northern latitude (59.3°N) brings not just an extreme daylight swing but a genuinely cold, dark winter climate, broadly similar in kind to the seasonal challenges documented for Anchorage and Minneapolis, though we don't have a Stockholm-specific clinical study on seasonal affective disorder prevalence the way we do for Minneapolis.
How Sleep in Stockholm Compares
Stockholm's 12.55-hour daylight swing is the second-most extreme of any city on this hub, behind only Anchorage's 13.92 hours — dwarfing every other European city here, including Edinburgh (10.65h), Manchester (9.57h), and Berlin (9.19h). Its light-pollution monitoring, though, is comparable in rigor to Hong Kong's and Berlin's real research programs — a genuine, multi-year academic dataset rather than a single estimate, part of the same published study that covers Berlin and Vienna.
Practical Sleep Tips for Stockholm Residents
- 1.Given Stockholm's extreme daylight swing (the second-largest of any city on this hub), the same aggressive winter-light-seeking and summer-blackout strategies recommended for Anchorage are worth applying here too, if to a slightly lesser degree.
- 2.A light therapy lamp used consistently in the morning during Stockholm's dark winter months is a reasonable, evidence-adjacent intervention, similar to the specific recommendation made for Minneapolis's documented seasonal light deprivation.
- 3.During summer, genuinely effective blackout curtains are close to essential given nearly 18.7 hours of daylight at the peak of the season.
- 4.If you're new to Stockholm from a lower-latitude city, budget real adjustment time for your first winter here — the daylight swing is large enough that it's one of the most physically extreme environments of any city on this hub.
- 5.Track your own numbers with our Sleep Debt Calculator across the seasons specifically, since Stockholm's daylight swing means your own sleep patterns may genuinely need to shift between summer and winter, not just how you feel about them.
- 6.If you're planning a move to Stockholm, talk to current residents about how they specifically manage the winter darkness and summer light extremes — practical, lived-experience strategies from people who've adapted to this exact swing are likely to be more useful than general advice calibrated for a smaller seasonal range.
What This Page Doesn't Establish
The light-pollution monitoring study is real and rigorous, but we don't have the specific brightness figures broken out for Stockholm alone versus Berlin and Vienna from what we found — the study's existence and methodology are verified, but a Stockholm-specific numeric trend wasn't available in the sources we reviewed. We also don't have a general-population sleep-duration survey for the city, nor a Stockholm-specific study on seasonal affective disorder prevalence.
Frequently Asked Questions About Sleep in Stockholm
Does Stockholm really have one of the most extreme daylight swings anywhere?+
Yes — at 12.55 hours (6.08h to 18.63h), it's the second-largest swing of any city on this hub, behind only Anchorage, and substantially larger than every other European city covered here.
Is there real, ongoing light-pollution research for Stockholm?+
Yes — Stockholm is one of three major European metro areas (with Berlin and Vienna) included in a real, published academic study using Sky Quality Meters to track night-sky brightness trends over 4 to 10 years.
How does Stockholm's daylight swing compare to Anchorage's?+
Stockholm's swing (12.55h) is large but still smaller than Anchorage's (13.92h) — Anchorage's much higher latitude (61.2°N vs. Stockholm's 59.3°N) accounts for the difference.
Does Stockholm have a seasonal affective disorder research program like Minneapolis?+
We didn't find a Stockholm-specific clinical study on SAD prevalence the way we found for Minneapolis, though Stockholm's daylight swing and Nordic climate present a broadly similar seasonal challenge.
How does Stockholm compare to Berlin for daylight and light pollution?+
Stockholm's daylight swing (12.55h) is notably larger than Berlin's (9.19h), reflecting Stockholm's more northern latitude, but both cities are part of the same real, ongoing academic light-pollution monitoring study.
Is there a Stockholm-specific sleep-duration survey?+
We didn't find one — our strongest real data for Stockholm is about daylight physics (computed directly) and the city's inclusion in ongoing light-pollution research.
Does Stockholm's cold winter compound its daylight challenge?+
Plausibly — Stockholm's northern latitude brings both an extreme daylight swing and a genuinely cold winter climate, broadly similar in kind to Anchorage and Minneapolis, though we don't have a study isolating the combined effect specifically.
What is the Vienna/Berlin/Stockholm light-pollution study measuring?+
Long-term (4-10 year) trends in night-sky brightness using Sky Quality Meters across 26 total sites, including these three metro areas — real, ongoing, longitudinal academic monitoring rather than a single-year snapshot.
How does Stockholm compare to Edinburgh for daylight extremity?+
Stockholm's swing (12.55h) is notably larger than Edinburgh's (10.65h), despite Edinburgh already having the largest swing of any UK/Ireland city on this hub — Stockholm's higher latitude (59.3°N vs. 56.0°N) explains the difference.
What's the most Stockholm-specific sleep lever, given the data here?+
Given the extreme daylight swing, a consistent morning light routine in winter (natural or via light therapy) and genuinely effective blackout curtains in summer are the two most evidence-backed, physically-grounded considerations covered on this page.
The Bottom Line for Stockholm
Stockholm combines two genuinely extreme, real characteristics: the second-largest computed daylight swing of any city on this hub (behind only Anchorage), and inclusion in a rigorous, ongoing, multi-year academic light-pollution monitoring program alongside Berlin and Vienna. That's a real, verifiable evidence base for the city's environmental sleep context, even without a direct, Stockholm-specific sleep-duration survey to complete the picture.
Calculate Your Own Sleep Debt in Stockholm
The data above is environmental context — your own sleep debt depends on your actual sleep, not a city average.
Calculate your sleep debtSources for This Page
- Long-term trends of light pollution assessed from SQM measurements and an empirical atmospheric model, arXiv/MNRAS — light pollution data
- Long-term trends of light pollution assessed from SQM measurements, arXiv/MNRAS (Puschnig et al.) — sleep survey data (city-level)
- Region Stockholm (public health authority) — local health resource
Sunrise, sunset, and seasonal daylight figures on this page are computed directly from Stockholm's coordinates using standard solar position equations, not sourced from a third party.
Local resource: Region Stockholm (public health authority)