H13 or H14: which air purifier filter should you choose?
A higher filter class does not automatically mean a better bedroom purifier.
Sleep Environment & Comfort Writer
Daniel Foster
Practical ideas for temperature, light, noise and a more comfortable bedroom.
Articles by Daniel
How to improve a sleep mask’s seal around your nose
A small gap near the nose can let in more light than you expect.
Side-sleeping earplugs: choosing a more comfortable fit
The pillow can change how an earplug feels once you lie down.
Where should you put a dehumidifier?
Place a dehumidifier where it can draw air freely and remain stable, following its required clearances.
How to reduce white dust from a humidifier
White dust is a reason to check water quality and the humidifier’s instructions.
Silk or cotton sleep masks: compare the whole design
Silk and cotton give a mask different surface feels, but fabric is only part of the fit.
Choosing a sleep mask for lying on your side
A sleep mask may fit sitting up and shift when you meet the pillow.
Could your sheets be making the bed feel too hot?
Sheets are one part of the warmth you feel in bed.
How to wash a sleep mask and keep its shape
A mask’s care depends on its fabric, padding and construction.
How to calculate an air purifier’s CADR requirement
A CADR calculation turns room measurements into a useful comparison figure.
Desiccant or compressor dehumidifier for winter?
A dehumidifier’s headline extraction rate may have been measured in conditions unlike your room.
Choosing a humidifier size for your bedroom
Room coverage is useful only when you know how it was measured.
A practical setup for drying clothes with a dehumidifier
Drying clothes indoors adds moisture to the room.
When a weighted blanket feels too warm
A weighted blanket adds another layer and may feel warmer than expected.
Dehumidifier laundry mode: what affects drying time?
Laundry mode can help manage moisture released by indoor drying.
How to fit foam earplugs for sleep
Foam earplugs work best when their size and fitting method suit your ears.
H13, H14 and HEPA-type filters: what to compare
A filter grade describes one part of an air purifier.
Where to place a dehumidifier around your home
A useful dehumidifier position leaves room for airflow and safe access.
What will air purifier replacement filters cost?
The purchase price tells only part of an air purifier’s cost.
Cooling pillows: what the label leaves out
A cool first touch is different from staying comfortable through the night.
Where to put an air purifier in a bedroom
An air purifier needs clear intake and outlet paths, with noise you can tolerate where you sleep.
Contoured or flat sleep masks: space, pressure and fit
Contoured masks leave space around the eyes; flat designs usually sit closer to the face.
Humidifier or dehumidifier: measure the room first
Humidifiers add moisture; dehumidifiers remove it.
Earplug SNR for snoring and neighbour noise
SNR is a laboratory noise-reduction rating, not the reduction you are guaranteed in bed.
Reusable silicone or foam earplugs for sleep?
Foam and reusable silicone earplugs differ in fit, care and replacement needs.
Choosing sleep earplugs for smaller ear canals
If an earplug creates pressure, a smaller size or different design may be worth considering.
Winter bedroom humidity: measure before you adjust
Condensation is a clue to investigate, rather than a complete measure of humidity.
Congestion and bedroom humidity: what an appliance can change
A blocked nose does not tell you whether a bedroom needs more or less moisture.
How to make a hot bed feel more comfortable
When a bed feels too warm, look at the layers and the room together.
Humidifier white dust: water choice and upkeep
White dust near an ultrasonic humidifier can come from minerals carried out with the mist.
Air purifier CADR: matching airflow to your room
Room size is a useful starting point when choosing an air purifier.
Could a sleep mask make your bedroom feel darker?
A sleep mask is one way to reduce unwanted light when curtains are not enough.
SNR explained: reading an earplug noise rating
The SNR figure helps compare products tested under standard conditions.