It would go off all times of the night. But this charger is also set up so that you can run a wire through it, so were both able to use the charger at the same time. They fir my granddaughter well and she loves the silver stars! Way too wide and loose at the heal. I just wish Id ordered an XL instead of a L. Wer sich wundert, dass die verbrauchten kcal bei dieser Uhr deutlich geringer ausfallen, als bei anderen: Hier wird nur der Verbrauch der entsprechenden Tätigkeit gezählt, OHNE den Grundumsatz. Recently installed a firmware update - all ok too. Offering the public a choice, such as opting in if you wish to receive a phone book, or alternatively opting out if you dont, do not seem to be very effective. Still funny, still thought provoking, and still iconic. Good unit.