Question

I have been sleeping for two hours. correct the error​

Answer 1

Answer:

The correct answer should be - I have been sleeping since two hours.

Answer 2

$\bigstar$ Question:

• Correct the error in:

I have been sleeping for two hours.

$\bigstar$Answer:

• I am sleeping for two hours.

$\bigstar$Note:

• In English, we use the preposition for to talk about an amount of time or space. The amount of time could be seconds, minutes, hours, days, months or even years.
• Don't confuse since with for, since is used when there is mentioned about the time when it started.