Develop healthy sleep habits and improve sleep quality. sleep aid handheld device,The causes of sleep disturbance and insomnia include the following:

1) Sleep pattern: wake up, bedtime, nap time during the day;

2) Sleeping environment: light, noise, bedding, ambient humidity and temperature and other items that affect the sleeping environment;

3) Preparation before bed: washing, diet, heart rate and other activities before bed;

4) Physical and mental conditions: Negative emotions or psychological trauma such as stress, anxiety, grief, and fear; physical problems such as physical weakness and poor physique;

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