The new Apple Watches also reduce heart rate readings while Theater Mode is active.
If you’re worried about the green LEDs being a bigger distraction in a dark theater now that the Apple Watch Series 12 and Ultra 4 measure your heart rate every five seconds, Theater Mode now reduces readings to five minute intervals while still silencing alerts and keeping the screen off. But you can override that new feature in the Apple Watch’s settings to restore the continuous monitoring. [Image: https://platform.theverge.com/wp-content/uploads/sites/2/2026/09/applewatch.jpg?quality=90&strip=all]
If you’re worried about the green LEDs being a bigger distraction in a dark theater now that the Apple Watch Series 12 and Ultra 4 measure your heart rate every five seconds, Theater Mode now reduces readings to five minute intervals while still silencing alerts and keeping the screen off. But you can override that new feature in the Apple Watch’s settings to restore the continuous monitoring.
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