徹夜

1. Origins, structure, and basic meaning

• Structure: 徹夜(てつや) means staying awake through the night without sleeping.
• Basic usage: It describes working all night before a deadline or doing overnight work.

2. Common pitfalls and similar expressions

• Staying up late and staying up all night
  • 夜更かし means staying awake late; 徹夜 means staying awake through the entire night.