Sleep at ease / Infant sleep aid product

Accorading to a study showed that babies sleep at 10 levels, but mothers can’t tell when they reach level 7 or 8. So, this product that remind mothers of the depth of sleep of their baby, measures the baby’s sleep depth by measuring the baby’s breathing intensity,facial microexpressions.When the mother put the baby to sleep,wear the product in the collar, autimatic recording of the mother’s heart rate, the indictor is blue. When the light turns green,the product sends out a vibration to remind the mother.Clip the product in the collar or quilt of the baby and transmits mother's heartbeat to the baby,mimicking mother's feeling around him .