A hospice nurse is visiting with the son of a client who has terminal cancer. The son reports sleeping very little during the past week due to caring for his mother. Which of the following responses should the nurse make?

"It is always difficult caring for someone who is terminally ill."

"I am sure you're doing a great job taking care of your mother."

"I can give you information about respite care if you are interested."

"You should consider taking a sleeping pill before bed each night."