J1657 Smart Sleep Belt

Super Sensitive Under Bed Sheet Sensor

Just simply place J-Style sleep monitor under the bed sheet, the super sensitive sensor will be able to track your sleep data whole night.

Real Time Breathing Rate & Heart Rate Monitoring

Monitor your breathing rate and heart rate, to calculate the sleep classes.

HRV Report & Analysis

Tracking HRV throughout the whole night. research links high heart-rate- variability to good health and an optimal level of fitness, While decreased HRV is associated with stress and fatigue. Long-term evaluation of HRV will determine how effectively your exercise or lifestyle changes are affecting your wellness.

Movement Activity Monitoring

Tracking small movements as well as bigger tossing & turning events during sleep.

Sleep Status Analysis

J-Style smart sleep monitor can estimate how much light sleep, deep sleep, REM sleep, awake and off bed user gets each night.

Sleep Report & Analysis

To help you better understand your personal sleep behavior and how to recover yourself both physically and mentally.

Sleep Plan

Scientific evaluation and smart analysis of individual sleep report and status of each person. Help users create their perfect personal sleep plan and improve their sleep quality.

Sleep Aid Music

Light music help you fall sleep.

Smart APP "HappySleep"

Record history data & check online