Going without sleep is actively harmful for every creature that needs sleep.
a. true
b. false

a. True

Explanation:

Sleep is not a passive situation or a lack of wakefulness, but an active state in which changes in bodily functions take place, as well as mental activities of enormous importance for the psychic and physical balance of individuals. During which they produce hormonal, biochemical, metabolic and temperature modifications, essential for the proper functioning of the human being during the day. Sleep disorders are an important risk factor that cause all kinds of ailments, ranging from obesity to cardiovascular disease. It also increases the chances of suffering from hypertension, and this in turn is a risk factor for both cerebral infarction and hemorrhage,

to prevent people from getting the ebola virus, countries around the world paid to doctors develop a new vaccine. now that the vaccine has been made, doctors will need to experiment on a large number of people to find out if it works safely.

what is the greatest limitation that scientists are dealing with as they try to figure out how to experiment with the ebola vaccine?

meditation is a practice of sitting still and quiet for minutes or even hours. it has been practiced for thousands of years and is even a part of religious practices for some people. carefully controlled, repeated measurements of brain activity have shown that meditation does increase certain chemicals in the brain and even grows the part of the brain that people connect with their current surroundings and activities.

are claims about the effects of meditation most likely scientific or pseudoscientific?

not pseudoscientific, because people have made claims about it but scientific observations have not been made