650 – Sleepless Night 无眠之夜 1

Source: https://www.webmd.com

1. Insomnia is a sleep disorder in which you have trouble falling and/or staying asleep.
2. The condition can be short-term (acute) or can last a long time (chronic). It may also come and go.
3. Primary causes of insomnia include:
- Stress related to big life events, like a job loss or change, the death of a loved one, divorce, or moving
- Things around you like noise, light, or temperature
- Changes to your sleep schedule like jet lag, or a new shift at work
- Your genes. Research has found that a tendency for insomnia may run in families.
Secondary causes of insomnia include:
- Mental health
- Medications
- Pain or discomfort
- Caffeine, tobacco, or alcohol use
- Pregnancy
- Menopause

4. Insomnia Symptoms
- Sleepiness during the day
- Fatigue
- Grumpiness
- Problems with concentration or memory