The Journal

Topic

Temperature

Why your body cools down to fall asleep, and how to hold a calm, stable climate through the night so overheating never fragments your rest.

12 articles

Temperature

Why Your Body Cools Down to Fall Asleep

The drop in your core temperature is one of the strongest signals that it is time for sleep. Here is how that mechanism works and why it matters.

Apr 1, 20263 min read
Temperature

The Best Bedroom Temperature for Deep Sleep

There is a fairly narrow band of bedroom temperature where deep sleep comes easiest. Here is where that range sits and how to find yours.

Mar 30, 20263 min read
Temperature

How Overheating Fragments Your Night

Overheating rarely wakes you with a jolt. It chips away at sleep quietly, pulling you up into lighter stages all night. Here is how it works.

Mar 28, 20263 min read
Temperature

Cooling Strategies for Hot Sleepers

If you run hot at night, a few targeted changes do far more than cranking the air conditioning. Here is a practical layered approach.

Mar 26, 20263 min read
Temperature

Why Your Feet Matter for Falling Asleep

Cold feet can keep you awake, and warm feet can speed you to sleep. The reason has to do with how your body releases heat.

Mar 24, 20263 min read
Temperature

Phase Change Materials and Temperature Control Explained

Phase change materials absorb and release heat as they shift between solid and liquid, which makes them useful for steadying sleep temperature.

Mar 22, 20263 min read
Temperature

Why a Warm Bath Before Bed Helps You Cool Down

A warm bath before bed sounds like it should heat you up, yet it reliably helps people fall asleep faster. The reason is a clever rebound.

Mar 20, 20263 min read
Temperature

Night Sweats and How to Sleep Through Them

Night sweats break sleep and leave you damp and cold. Here is how to reduce them and build a setup that handles the heat before it wakes you.

Mar 18, 20263 min read
Temperature

Bedding and Breathability: What Actually Helps

Bedding marketing is full of cooling claims. Here is what breathability really means and which choices actually keep you from overheating.

Mar 16, 20263 min read
Temperature

Temperature and REM Sleep: The Overnight Connection

During REM sleep your body partly loses its ability to regulate temperature, which makes the room around you matter more than you might think.

Mar 14, 20263 min read
Temperature

Menopause, Temperature, and Sleep

Hot flashes and night sweats make menopause one of the most disruptive periods for sleep. Here is what drives it and how to manage the heat.

Mar 12, 20263 min read
Temperature

Why a Stable Climate Beats a Cold Room

Cranking the thermostat down is the obvious move for hot sleepers, but stability matters more than a low number. Here is why.

Mar 10, 20263 min read

Reading helps. The mask helps more.

Lumora brings light, sound, and temperature into one ritual. Join the waitlist for first access and founding pricing.

Join the waitlist