Observing the brain activity during sleep is the activity which need to be made using a scientific instrument.
Scientific observation is known as the central element of scientific method or process.
A scientific method requires observing the nature and then formulate and test the hypothesis. It consists of following four steps.
Observing something and asking questions about a natural phenomenon.
Making of your hypothesis.
Making the predictions about logical consequences of the hypothesis made.
Testing of predictions by controlled experiment or a natural experiment.
Creating the conclusion on the basis of information gathered in the experiment.
To know more about the scientific observation here:
https://brainly.com/question/17918831
#SPJ4
