You should sleep seven to eight hours to be ready for a good days work and not be tired.
10 hours is not too bad, though not good, but 13 hours is too much. Study time should be broken up with breaks and you need time to do other things. Studying for too long will make you tired and your studying will become ineffective. 6 to 8 hours, properly planned and with breaks, is better.
To study for the IIT, it is suggested that you dedicate at least 8-10 hours per week for studying. The IIT stands for The Indian Institutes of Technology.
A positive correlation is expected between hours spent studying and the grade on a test. This means that as the number of hours studying increases, the test grades are likely to improve. However, the strength of this correlation can vary based on factors such as study techniques, prior knowledge, and test difficulty.
7 hours, due to studying hard
If your struggling, you should go to some after school help or try and get tutored. You should manage your time wisely, by like working on HW for a 2 hours, then studying for 2 hours etc.
The many long hours in a hospital and years spent on studying and learning
hours spent studying
Assuming the general guideline of 2-3 hours of studying per credit hour per week, Karla should be spending a minimum of 12-18 hours per week in review and preparation for her two classes. This equates to about 6-9 hours per class.
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You could try studying for hours but it will be hard.
You should sleep 9 hours
One would generally expect a negative correlation between the number of hours spent watching TV and the number of hours spent studying. As the time spent on TV increases, the time available for studying typically decreases, leading to less effective study time. However, the strength of this correlation may vary depending on individual habits and time management skills.