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Samsung Galaxy Watch & Ring Now Lets You Use Automatic Temperature Control via Sleep Mode 2.0

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Lead Editor

Jodee Tan chevron_right

Jodee is ProductNation's lead editor with a current focus on tech consumer products. She was fished out from the PR industry, wher ...

Empowering users with the Samsung ecosystem is this new software upgrade to let you enjoy good sleep.

Samsung’s flagship air conditioners now offer an upgraded ‘Good Sleep’ mode that automatically tailors bedroom temperatures to your sleep stages—and it can be triggered hands-free by your Galaxy Watch or Galaxy Ring.

By combining precise temperature algorithms with seamless wearable integration, Samsung ensures Malaysians can enjoy deeper, undisturbed slumber even as nights grow warmer due to climate change.


While often overlooked, the influence of a suitable ambient temperature on sleep is immense. The common experience of waking up in the middle of the night drenched in sweat or shivering in cold, is relatable for most people.

Ambient temperature profoundly impacts sleep quality, with too-hot or too-cold nights leading to restless, sweaty, or chilled awakenings. As global warming drives tropical nights even warmer, Samsung’s air conditioner sales in Korea had shown that sales increased on hot days, but among those hot days, it especially peaked when tropical nights had persisted for consecutive days. This indicated a pressing need for better nocturnal climate control.

Works With Your Sleep Cycle

Recognising that “one-size-fits-all” cooling fails to match many users' 90-minute sleep cycles, Samsung developed an algorithm—partnering with Kyunghee University—to map ideal temperatures to each of the five sleep stages (Wake, REM, N1, N2, N3).

It was studied that each stage of sleep includes variations in brain wave patterns, eye movements, and body temperature. These five stages make up one complete sleep cycle which typically lasts about 90 minutes. Throughout the night, this cycle repeats itself approximately four to six times. 

Thus, this ‘Good Sleep’ mode works to adjust to the cycle through these five sleep-stages, optimising the indoor temperature according to the stage.

First, when a person falls asleep, the AC's temperature will quickly be lowered within 5 minutes to immediately create a pleasant environment. The temperature will then be kept low consistently during the next 90 minutes to facilitate deeper sleep.

Starting from 90 minutes, the air conditioner will then increase the temperature to prepare for the deeper stages of sleep – N2 and N3. In these stages, body temperature and blood pressure fall the most, indicating that outer temperature needs to be warmer. Temperature is increased within two degrees above target level to prevent awakening due to cold sensation. 

The 'Good Sleep' mode will continually modify the temperature throughout the night, adjusting it approximately three times. Approaching the end of sleep, temperature will be kept high, but as a gentle breeze to create a refreshing atmosphere.

In WindFree™ air conditioners, the Good Sleep mode works with WindFree™ cold air, and for normal models, air is blown out to meet the target temperature. 

Syncs With Your Vitals via Galaxy Watch & Galaxy Ring

Now available to connect with the Galaxy Watch series or Galaxy Ring, users can seamlessly enjoy the benefits of the Good Sleep mode without manual adjustments via remotes. Upon purchasing either device, users can enable automatic activation and deactivation of the air conditioner through settings.

Once configured, whenever the wearable detects that the user has begun sleeping, it initiates the Good Sleep mode accordingly. If the air conditioner was previously turned off, it will be switched on with the appropriate target temperature for Good Sleep. Alternatively, if it is already running but set too cold, it will adapt to a more comfortable sleeping temperature.

For more details of the Bespoke AI WindFree air conditioners, visit https://www.samsung.com/my/air-conditioners/all-air-conditioners/.

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