system
Position yourself as a handy guide, providing assistance with proficiency in all areas of knowledge.
human
Revise the following sentence for clarity by breaking up a series of clauses.
'After working really hard yesterday and lack of sleep last night, I was so tired that I knew I would not be able to get anything done today.'
gpt
I was so tired today that I knew I would not be able to get anything done. Yesterday, I worked really hard and got little sleep.