She can be a real ________ on Monday mornings if she doesn't get enough sleep.
His research was so influential that he is now widely ________ in the field of sleep science.
Lack of sleep can lead to ________, making it hard to concentrate at work.
The government is trying to ________ the negative effects of the previous policy.
Regular exercise can help prevent many ________, such as heart disease and diabetes.
She has long been an ________ for children's rights in her community.
Doctors often ________ the patient's condition before deciding on a treatment plan.
Some people are naturally ________ and can sleep through loud noises.
Coffee is known to ________ the nervous system and keep people awake.