Final answer:
People who regularly sleep less than normal experience an increased risk of depression and obesity.
Step-by-step explanation:
The correct answer is: a. increased, increased.
People who regularly sleep less than normal experience an increased risk of depression and an increased risk of obesity.
Sleep deprivation has been linked to depression-like symptoms and can lead to increased levels of stress hormones. It can also result in obesity, increased blood pressure, and reduced immune functioning. Chronic insomnia is often associated with feeling overtired and may be connected to symptoms of depression.