睡眠

1. Origins, structure, and basic meaning

• Structure: 睡眠 is read as すいみん and means “sleep”.
• Basic usage: The examples show restorative sleep and light sleep caused by pre-trip nerves.

2. Common pitfalls and similar expressions

• Distinguishing senses and uses
  • It is the physiological state of sleep, often discussed objectively in 睡眠を取る and 睡眠が浅い.