GearSleep deeper
A sleep kit: darkness, quiet and honest tracking
Kit cannot replace a steady routine, but a dark, quiet room makes that routine much easier to keep.
Most adults need 7–9 hours a night, and 7–8 hours from 65 1.
Light is the main signal that sets your body clock, and it reaches the clock through your eyes; artificial light at night can shift your rhythm and your sleep 2. That is why the first two buys are about darkness.
What to look for
Darkness first
Light at night can shift your rhythm and your sleep 2, so block it: a contoured mask, or curtains that seal the edges of the window.
Quiet next
Foam or silicone earplugs that seal without pressure. Try a few shapes; comfort decides whether you keep wearing them.
A clear morning signal
Light in the morning helps set your clock 2. Open the curtains straight away, or let a sunrise alarm brighten the room before you wake.
Trackers show trends, not truth
Against laboratory polysomnography, consumer trackers detected sleep well but were weaker at spotting wake, and they all overestimated light sleep 3. Watch trends over weeks rather than judging a single night.
Check for a subscription
Some rings and bands need a paid membership for their full features. Check before you buy.
Worth a look
- Eye mask
Contoured blackout sleep mask
Cups that sit away from the eyes block light without pressing on your lids.
Best for Light rooms, travel, early sunrises
- Earplugs
Foam or silicone earplugs
Cheap to try in several shapes until you find one you forget you are wearing.
Best for Noisy streets, partners who snore
- Curtains
Blackout curtains or blinds
Darken the whole room, so nothing has to stay on your face. Wide, wall-mounted rails leak less light at the sides.
Best for Bedrooms facing street lights
- Light alarm
Sunrise alarm clock
Brightens the room before the alarm sounds, a gentle light cue for mornings 2. Treat it as a nicer way to wake, not a sleep treatment.
Best for Dark winter mornings
- Tracker
Sleep tracking ring or band
Good at showing how much and how regularly you sleep; weaker at sleep stages, which consumer devices tend to misjudge 3.
Best for Spotting trends over weeks
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Questions people ask
Are sleep trackers accurate?
For total sleep, reasonably: in a lab comparison they detected sleep well. They were weaker at spotting wake and overestimated light sleep 3. Use them for trends, not nightly verdicts.
Does a sunrise alarm clock help?
It is a gentle way to bring light into your morning, and morning light helps set your body clock 2. Treat it as a comfortable way to wake rather than a fix for poor sleep.
How dark should my bedroom be?
Dark enough that you can see very little once the lights are off. Light at night can shift your rhythm and your sleep 2.
Sources
- Hirshkowitz M, Whiton K, Albert SM, et al. National Sleep Foundation's sleep time duration recommendations: methodology and results summary. Sleep Health. 2015;1(1):40–43.
- Blume C, Garbazza C, Spitschan M. Effects of light on human circadian rhythms, sleep and mood. Somnologie. 2019;23(3):147–156.
- Chinoy ED, Cuellar JA, Huwa KE, et al. Performance of seven consumer sleep-tracking devices compared with polysomnography. Sleep. 2021;44(5):zsaa291.
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