App: NightEase
Developer: Quyen Ngo
NightEase monitors your heart rate through Apple Watch while you sleep. When it detects a sudden heart rate spike combined with movement — common signs of a nightmare — it automatically plays calming audio and sends gentle haptic vibrations to your Watch to help ease you back to restful sleep.
Apple Watch provides continuous heart rate monitoring and movement detection during sleep, which are essential for detecting nightmares and delivering haptic and audio rescue cues. NightEase runs entirely on your Apple Watch — no iPhone needed during sleep.
NightEase begins working from your very first session. However, detection accuracy improves over the first few nights as the app learns your baseline heart rate patterns and sleep behaviour. We recommend using it for at least 3 nights for optimal results.
Yes. Go to Settings in the app and adjust the Detection Sensitivity. Choose from Low, Medium, or High depending on how often you want the rescue to trigger. If you're getting false triggers, lower the sensitivity. If nightmares are being missed, raise it.
NightEase includes several calming audio options including gentle tones and a breathing guide. You can choose your preferred audio clip in Settings.
NightEase subscriptions are managed through Apple. To cancel, go to iPhone Settings > Apple ID > Subscriptions > NightEase > Cancel Subscription. You will retain access until the end of your current billing period.
Go to Settings > Health Data > Delete All Data. This will permanently remove all sleep sessions, interventions, and voice journal entries. You can also delete all data by removing the app from your device.
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