What causes insomnia at night?
Disease description:
What causes insomnia at night?
Doctor's answer (1)
Dr. Huang Shichang
Possible causes of insomnia during the night include the following:
1. Environmental factors: A noisy sleeping environment, excessive light, or an uncomfortable bed may make it difficult to fall back asleep after waking up in the middle of the night.
2. Physiological factors: For example, calcium deficiency may increase nervous system sensitivity and trigger spontaneous nerve discharges, leading to insomnia. In addition, endocrine disorders such as hyperthyroidism can also affect sleep.
3. Psychological factors: Emotional issues such as anxiety and depression may cause excessive brain activity at night, making it difficult to fall asleep or causing awakening during the night.
4. Lifestyle habits: Consuming stimulants like coffee or tea before bedtime, or prolonged use of electronic devices prior to sleep, may also contribute to insomnia.
