For those who want to know how it works: > NightWare uses information from the Apple Watch heart rate sensor, accelerometer, and gyroscope to detect a nightmar

For those who want to know how it works: > NightWare uses information from the Apple Watch heart rate sensor, accelerometer, and gyroscope to detect a nightmare and then disrupt it through haptic feedback, generating gentle pulses on the wrist that gradually increase until the user is roused from the nightmare, but not from sleep.