Samsung’s Smart Air Conditioner Now Syncs with Galaxy Watch and Galaxy Ring for Better Sleep
July 22, 2025Samsung is making sleep smarter and cooler with its latest innovation. The popular ‘Good Sleep’ mode in Samsung’s air conditioners now works seamlessly with the Galaxy Watch series and the new Galaxy Ring. Once connected, your air conditioner can automatically adjust room temperature based on your sleep stages—without you lifting a finger.
Why Temperature Matters During Sleep
Many people wake up sweating or shivering at night, and that’s no coincidence. Temperature plays a big role in sleep quality. With rising global temperatures and warmer nights, many struggle to sleep well, which affects energy, focus, and mood the next day.
Samsung noticed a clear pattern: air conditioner sales in Korea surged especially during hot nights that disrupted sleep. That led the company to dig deeper into how they could improve the sleeping experience through better climate control.
Smarter Cooling for Every Sleep Stage
Sleep isn’t a single state—it moves through cycles including REM and deep NREM stages. And your body temperature shifts with each stage.
Samsung partnered with Kyunghee University to create an algorithm that adjusts room temperature throughout the night, depending on which sleep stage you’re in.
- At the start of sleep, temperature drops quickly to help you fall asleep faster.
- During deep sleep (N2 and N3), the temperature rises slightly to prevent discomfort from being too cold.
- As you approach morning, the room warms slightly while a light breeze helps you wake up feeling refreshed.
The system adjusts the temperature around three times during an eight-hour sleep cycle, ensuring comfort all night long.
Galaxy Watch and Galaxy Ring: Smarter Integration
Now, with the Galaxy Watch or Galaxy Ring, the ‘Good Sleep’ mode activates automatically when you fall asleep. If your air conditioner is off, it will turn on and adjust to the ideal sleep temperature. If it’s running but set too cold, it will switch to a more comfortable setting.
Samsung first explored this wearable integration back in 2018, but now—thanks to the growing popularity of sleep-tracking devices—it’s finally here as a full feature. More users are wearing smart devices to bed, making this the perfect time to reintroduce the technology.
“We saw how much people care about their sleep today,” says Kyungju Lee, who helped lead the project. “It was the right time to bring this smart solution to life.”
