Intelligent pillow can not only be used as a pillow, but also protect cervical vertebra through artificial design. A good smart pillow can detect sleep, such as deep sleep time, sleep time, wake-up time, sleep duration, turn-over times, cervical comfort, body temperature, environmental index, stress index, sleep index, sweating at night, times off the pillow, etc. Some smart pillows will also give sleep reports according to your sleep situation. Some smart pillows even have interactive social functions.