For hotels, resorts & wellness
Guests pay for how a place makes them feel. Light decides.
Earthlight models the Human ROI of circadian lighting for hospitality — turning deeper guest sleep and a wellness story you own into rate, occupancy, and reputation.
01 — The problem
The amenity guests notice most is the one they sleep through
Guests forgive a lot, but they don't forgive a bad night's sleep — and most rooms are lit in ways that quietly work against it. Bright evening light delays rest, jet lag goes unaddressed, and the wellness promise on the website stops at the spa door. The richest differentiator in hospitality is often the one left on the table.
Guests
lose the rest they came for.
Property teams
field the reviews and the rebooking gap.
Owners
leave rate and loyalty on the table.
02 — The Human ROI
Where the Human ROI shows up
Earthlight quantifies the levers that move a property's economics — so the case for circadian light is made in rate, occupancy, and reputation.
Guest sleep & experience
Warm, well-timed evening light and brighter mornings help guests sleep — the thing they remember most.
Rate premium
A credible, sleep-forward wellness experience supports a higher average daily rate.
Wellness programming revenue
Circadian design anchors retreats, recovery, and jet-lag offerings guests will pay extra for.
Reviews & reputation
Sleep quality is what reviews are made of — and reviews are what bookings are made of.
Loyalty & repeat stays
A property that makes guests feel better is one they come back to.
Brand differentiation
An ownable circadian story sets a property apart in a crowded luxury market.
03 — The science
Sleep is a lighting outcome
How well a guest sleeps is shaped by the light they sit in for the hours before bed — and how rested they feel the next day is shaped by the light they wake into. Most properties get both backwards.
Earthlight grounds its models in this circadian science and the standards advancing it, then translates it into rate, occupancy, and the guest experience your brand is built on.
04 — How it works
From light to line item
01
Walk the property
We map how light moves through guest rooms, suites, spa, and common areas — from check-in to lights-out.
02
Model the Human ROI
We translate circadian impact into the terms ownership tracks: rate, occupancy, programming revenue, and reviews.
03
Protect the spec
We give your design and ownership teams the numbers to defend circadian lighting before it's value-engineered out.
05 — Questions
Before you ask
Is Earthlight a lighting product?
No — Earthlight is decision-support software. We model and quantify the human ROI of circadian lighting so the right design survives budgeting. We work alongside your designers and vendors.
New build, renovation, or reflag?
Any of them. Modeling the ROI before value engineering protects the design — and it strengthens the wellness story you take to market.
Does the evidence actually hold up?
We build on established circadian science and recognized standards like the IES and the WELL Building Standard. The Review shows the assumptions behind every number. Already exploring this directly? Ask about The Circadian Conversation.
Who is this for?
Owners, operators, wellness and spa leaders, and design teams at hotels and resorts.
See the Human ROI for your property.
A 20-minute review that turns circadian light into the rate, occupancy, and reputation numbers ownership uses to decide.