Wakē wakes individuals from their slumber ##s at a time . Alarm uses focused beams of light to create a ' personal sunrise ' It also emits focused ultrasonic waves to wake up each person in distress . battery - powered device is available to order via auction for $ 250 ( £ ##500 )
Wakē rouses individuals from their slumber one at a time . Alarm uses focused beams of light to create a 'personal sunrise ' It also emits focused ultrasonic waves to wake up each person in bed . Wall-mounted device is available to order via Kickstarter for $ 250 ( £167 )