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Every night, before going to sleep, millions of people perform the same ritual.
They lock the doors.
Turn off the lights.
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Charge their phones.
And then…
Many of them disable WiFi and Bluetooth.
Some do it to save battery.
Others believe it improves sleep.
A growing number are convinced it protects their health.
But here’s the question few people ever ask:
Does turning off WiFi and Bluetooth at night actually do anything?
Or is it one of the biggest technology myths of the modern age?
The answer may surprise you.
Why So Many People Started Doing It
The idea sounds logical.
Your phone is constantly connected.
WiFi signals.
Bluetooth signals.
Notifications.
Background activity.
Invisible waves moving through the air 24 hours a day.
For years, social media posts and viral videos have claimed that sleeping near wireless devices could affect sleep quality, drain batteries, or even impact long-term health.
As a result, countless people have adopted a nightly routine of switching everything off before bed.
But logic and reality are not always the same thing.
The Battery Myth That Refuses to Die
One of the most common reasons people disable WiFi and Bluetooth is battery life.
It sounds reasonable.
If wireless features are turned off, the phone should use less power.
Right?
Not necessarily.
Modern smartphones are incredibly efficient.
When your device is asleep, WiFi and Bluetooth consume very little power unless they’re actively transferring data. Several technology experts note that the battery savings from disabling them overnight are often minimal on modern devices.
In fact, many people spend more energy worrying about battery life than they actually save.
The Health Question Everyone Wants Answered
See more on the next page to continue reading →
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