Which of the following could be directly related to not getting enough sleep?

You have a negative outlook on life in general. You have a negative outlook on life in general. You have a lack of concentration.
You have supportive relationships. You have supportive relationships. You have a strong sense of purpose.

The options that could be directly related to not getting enough sleep are:

- Lack of concentration
- Negative outlook on life in general

Just pick one

Lack of concentration