Worksheet · Workplace
No certification premium attaches to the circadian lighting on its own
A lighting spec feeds the certification score that the market prices your building on, whether or not any single measure earned the premium.
Members only
Read the full worksheet
This worksheet is for members. Membership includes everything The Built Review publishes.
Payment confirmed. Your membership unlocks within a few seconds. If a page still asks you to join, reload it.
Checkout was cancelled and nothing was charged. You can join whenever you are ready.
Your account already has an active membership.
What membership includes
- Reports
- Scientifically grounded analysis of the topics that move the market.
- Worksheets
- Working documents for practice, with the science behind every point.
- Factorsheets
- A statement on one cause and its effect, supported by the studies in the collection that measure both.
- Studysheets
- The relevant findings from current research.
- Trends
- Trend analysis of the market and the science in the built environment.
- Downloads
- Every report and Trends issue as PDF, Markdown and JSON.
€490 a year
Everything included. Cancel any time.
Your account works with a one-time email code. No password.
Secure checkout via Stripe · 14-day right of withdrawal
Already a member?
Sign in with a one-time code sent to your email. No password.
Wrong address? Start over with a different email.
The code is valid for 30 minutes.
Bought a membership but still see this? You may have paid with a different email. Sign in with that address, or contact us.
Want to see the work first?
Free to read: a report, a worksheet, a factorsheet and a studysheet →
Or take the free newsletter: one email when there is something worth saying.
The evidence behind this sheet
23 factorsheets carry the studies for and against, each with how firm that evidence is.
- Circadian lighting probably raises sleep quality.
- mel-EDI (Melanopic EDI) raises sleep quality.
- Colour temperature probably raises sleep quality.
- Colour temperature probably lowers error rate.
- Circadian lighting probably raises circadian alignment.
- Colour temperature probably lowers fatigue.
- Colour temperature has a non-linear effect on mood.
- Colour temperature has a non-linear effect on visual comfort.
- mel-EDI (Melanopic EDI) probably raises circadian alignment.
- mel-EDI (Melanopic EDI) probably lowers fatigue.
- Colour temperature probably raises circadian alignment.
- Colour temperature has a non-linear effect on comfort.
- The evidence is very uncertain whether colour temperature affects working memory.
- The evidence is very uncertain whether mel-EDI (Melanopic EDI) affects visual comfort.
- Circadian lighting probably lowers fatigue.
- The evidence is very uncertain whether circadian lighting affects visual comfort.
- The evidence is very uncertain whether colour temperature affects heart rate.
- The evidence is very uncertain whether colour temperature affects satisfaction.
- Colour temperature probably raises information processing.
- Circadian lighting shows no effect on sustained attention.
- The evidence is very uncertain whether mel-EDI (Melanopic EDI) affects mood.
- Colour temperature has a non-linear effect on cognitive control.
- Circadian lighting probably raises mood.