Shushing heart of Whisbear® Whisbear® heart makes it possible for you to soothe the baby easily. The shushing device emits white noise, a sound that the baby remembers from the foetal life. This easy to use device, with option of volume control, operates for 40 minutes – in this time baby should drift into the deep sleep phase Soft Start/Soft Stop function gently turns the shushing on and off.. Innovative CRY SENSOR function Smart shushing device makes Whisbear® the first ever Bear guarding your sleeping baby even while you have a well-deserved “me time” or simply when you are asleep too. Whisbear with CRYsensor function shushes for 40 minutes, after that time the sound gently fades out and the device switches to the standby mode. If Whisbear® recognizes cry of the awakening baby he will immediately respond with the calming sound, and after 20 minutes of additional shushing the device will re-enter its standby mode..