Yes, because the current electronic equipment is relatively intelligent, when the charge is full, it will automatically stop charging!
Huawei smartwatch has the function of charging to avoid overcharging, and can automatically power off after being fully charged. After the watch is fully charged, the charging indicator shows that it will automatically stop charging when it detects. If the charger is not disconnected at this time, when the power is not enough, it will detect and determine the automatic charging.
Huawei watch can be charged all night, it is best not to do so.