Your body doesn't sleep at one temperature.

Generic sleep-temperature advice ignores how different you are. These free tools use your inputs to build a personal starting point — then CircadiaOS can automate it.

Sleep Temperature Calculator

Answer a few questions and get a personalized overnight temperature curve for your actual sleep window.

Eight Sleep Alternative Calculator

Compare the real cost of an Eight Sleep pod to a software-only approach over 1–5 years.

Wearable Temperature Analyzer

Upload a wearable export and find which bedroom temperature your strongest sleep happened at.

Couples Sleep Temperature

Find a compromise temperature and a bedding strategy when two people share a bed.

Sleep Cooling Cost Calculator

Estimate how much lowering your thermostat at night actually costs — flat vs. a staged curve.

Personalized Sleep Report

Answer a few questions and get a printable two-week temperature plan tailored to you.

How CircadiaOS works

Connect

Link your wearable and smart thermostat in seconds.

Calibrate

Over 14 nights, CircadiaOS learns your sleep patterns.

Optimize

Your room temperature adjusts automatically, every night.

Personalize it with your sleep data

CircadiaOS connects your wearable and thermostat to learn and automate your ideal overnight temperature.