Heart Notification Icon App. Since lollipop, google's material design has had an influence on these icons. The app, nightware, uses heart rate and movement data to identify nightmares and vibrate users out of their dream states.
To turn this back on, go to settings > notifications, select the app, and tap allow notifications. Also changeable from the sim manager. Select heart, then tap high heart rate notifications to view your history.
6,923 heart app icons in svg and png:
(flutter_app_name > android > app > src > main > res >drawable > notification_icon.png) 4. This galaxy s20 notification icon indicates you have some new emails in the gmail app. Once enabled, you can turn irregular rhythm notifications on or off in the apple watch app on your iphone: Notification center icon image sizes.