If you struggle to wind down at night, your bedroom deserves attention. Light from a screen, a late message, an active router and the phone beside your pillow are different parts of the same nightly environment. Understanding their different effects makes your next step more useful.
Aires’ position is that the biological research justifies investigating electromagnetic exposure as part of a deliberate sleep environment. Human experiments give us two concrete paths to explore: evening light and melatonin, and radiofrequency exposure and sleep physiology.
Melatonin is a timing signal
Melatonin helps communicate biological night. Its timing is closely tied to the light–dark cycle, while sleep also depends on sleep pressure, daily routines and other physiological processes. A person can have disrupted sleep for more than one reason.
What evening screen research shows
In Chang and colleagues’ 2015 crossover study, 12 adults read either a light-emitting eReader or a printed book before bed. The eReader condition suppressed melatonin, delayed circadian timing and reduced next-morning alertness. The tested factor was evening light exposure.
That finding gives you a direct reason to reconsider a bright screen before sleep. It should not be relabeled as a Wi-Fi experiment: screen light and RF transmissions require their own evidence.
The RF research asks a separate, important question
Lowden and colleagues’ controlled human experiment found 12% less slow-wave sleep after three hours of 884 MHz GSM exposure compared with sham. Its 48 participants underwent overnight sleep recording. This was a sleep-stage finding, rather than a demonstration that household Wi-Fi suppresses melatonin.
These distinct research paths support taking both light and wireless exposure seriously. The main EMF and sleep guide compares the human experiments, including studies with different results, and explains which conditions each tested.
Build a bedroom routine you can evaluate
- Reduce bright evening light. Consider a printed book and gentler lighting as bedtime approaches. Track the routine alongside how easily you fall asleep.
- Keep your schedule consistent. Record bedtimes and waking times so a change in routine does not get mistaken for an environmental effect.
- Move active devices away from the sleeping position. Review the bedside table and the wall behind the bed, including equipment in the adjacent room.
- Check the actual radio settings. Airplane Mode does not necessarily disable every connection. Apple explains that Bluetooth remains on by default and that Wi-Fi can be enabled in Airplane Mode.
- Schedule unused Wi-Fi off where practical. Confirm that essential services and devices can still operate. Use wired connectivity where it fits and place the router deliberately.
- Change and record thoughtfully. Note light, device activity, caffeine, stress and sleep. The record can guide the next adjustment without requiring you to guess which factor mattered.
Persistent sleep difficulties deserve assessment, particularly when they involve breathing pauses or substantial daytime impairment. Environmental improvements can be part of that investigation.
Where Aires belongs in the bedroom conversation
Some sources are outside your control, and many people need technology available overnight. Aires develops resonators intended to shape electromagnetic interactions toward more supportive biological conditions while keeping technology usable.
The Aires human research collection connects original EEG and HRV findings to the methods used. These studies examine brain activity and autonomic regulation, giving you measurable biological outcomes to investigate alongside the broader sleep research.
Follow the research pathway and explore Aires for home environments. Combine that evidence with practical control over light, placement and unnecessary wireless activity. The purpose is a sleeping environment chosen with care and informed by research.
Updated November 4, 2026 · Aires editorial team. Original research remains credited to its authors.