Yes, airplane mode can help reduce the radiation your phone produces. By turning off its cellular, Wi-Fi, and Bluetooth connections in airplane mode, your phone dramatically lowers the amount of electromagnetic radiation it emits.
People Also Ask
Personally, I think this is for psychological reasons. While the phone is on Airplane Mode, we know that there is no way for the outside world to contact us in any way shape or form. A part of our subconscious while we're sleeping could be paying attention to our phones. Waiting for that 3am phone call or text.
Airplane mode, when turned on, allows you to turn off all communication functions of electronic devices at once. When traveling abroad, you can connect to Wi-Fi while in Airplane Mode to use the Internet with peace of mind.
The good news is that Wi-Fi on planes is not only getting better but less expensive as well. You might even get it for free. For instance, JetBlue offers free Fly-Fi on all of its flights, and certain airlines offer elite members free Wi-Fi.