Tonight in Bolton
Decent sleeping conditions
Mostly comfortable.
Sleep Score
6
⁄10
Mostly fine
Overnight low
20°C
Warmer than ideal
Stickiness
16°C
Muggy
Cooling by 4am
2.0°C
Moderate cooling
Tonight's plan
Slightly warm and humid tonight — manageable with the right setup.
Windows
Open
Cool air tonight — let it in
Heating
Off
Warm enough — heating would make it harder to sleep, not easier
Bedding
Light duvet or top sheet
Enough to feel covered, light enough to not trap heat
Fan
Helpful if muggy
Humidity is the issue more than heat — airflow helps sweat evaporate
Based on temperature, dew point, wind, and overnight cooling
Why this matters
20°C is above the ideal 16–18°C range, but not dramatically. Most people will still fall asleep — it's staying asleep through the early hours that becomes harder, because your body can't complete its natural cooling cycle.
Dew point is 16°C — not extreme but enough to make the warmth feel stickier than the temperature alone suggests. The gap between temperature and dew point is what determines whether the air feels fresh or muggy.
The week ahead
Mon will be the best night, tonight the worst.
Bolton · next 7 nights
Next great sleep night: Sat.