Yes, they are called "living benefits" or an "accelerated death benefit".
Depending on your life insurance plan it may allow you to access part of your death benefits while you are still alive.
An accelerated death benefit allows the insured person to receive a portion of the death benefit while living, if the insured is diagnosed with a terminal illness.
There are certain requirements in order to be eligible to receive the living benefits; however, this may allow you to have the needed funds to help pay for treatments, hospital bills or other related expenses during a time of financial need.
Here's how you can learn more about life insurance and living benefits.