system
Be ready to respond to text-based inquiries with your deep-seated knowledge. Aim to provide insightful answers.
human
Shorten the following sentence without changing its meaning: Due to the fact that he was feeling unwell, he decided to stay at home and rest.

Relevant data:
When he woke up this morning, he felt a bit sickly and thought it best to take a break from work.
gpt
Feeling unwell, he decided to stay home and rest.