sleep

1. Origins, structure, and basic meaning

• Structure: 眠 has 10 strokes and concerns sleeping or feeling sleepy.
• Basic usage: 眠る is read ねむる, and 眠気 is read ねむけ.

2. Common pitfalls and similar expressions

• Sleeping and feeling sleepy
  • 静かに眠っている means is sleeping quietly.
  • The past form of 眠る is 眠った.
  • 強い眠気を感じた means felt very sleepy.
  • 眠気 names the feeling of sleepiness, which is distinct from actually being asleep.