Sleep state and sleep stage monitoring method and device and terminal equipment

The invention discloses a sleep state and sleep stage monitoring method and device and terminal device.The method comprises the steps that electroencephalogram data and blood oxygen data of a monitored user are obtained, and the electroencephalogram data and the blood oxygen data are input into a preset analysis model, the analysis model is obtained based on training of historical brain data and historical blood oxygen data; based on the analysis model, determining a sleep state corresponding to the electroencephalogram data and the blood oxygen data; acquiring acquisition time corresponding to the electroencephalogram data and the blood oxygen data, and determining sleep stages on the basis of the acquisition time and the sleep state. According to the invention, the sleep state and the sleep stage can be accurately monitored, and the monitoring efficiency is improved. 本发明公开了一种睡眠状态和睡眠分期的监测方法、装置及终端设备，所述方法包括：获取被监测用户的脑电数据与血氧数据，并将所述脑电数据与所述血氧数据输入至预设的分析模型中，所述分析模型基于历史脑数据与历史血氧数据训练得到；基于所述分析模型，确定与所述脑电数据以及血氧数据对应的睡眠状态；获取