Сколько сна необходимо для полноцен

Сколько сна необходимо для полноценного и продуктивного учебного дня? На этот вопрос я отвечу в своем эссе. During this work I will evaluate необходимое количество сна для студента чтобы его день был продуктивным.

Results (English) 1:

How much sleep is necessary for a full and productive school day? To this question I will answer in his essay. During this work I will evaluate the necessary amount of sleep for a student to his day was productive.

Results (English) 2:

How much sleep is necessary for a full and productive school day? To this question I will answer in his essay. During this work I will evaluate the amount of sleep needed for the student to his day was productive.

Results (English) 3:

How much sleep is necessary for the full and productive school day? On this issue, I will retort in his essays. During this work I will evaluate" button the required number of sleep for a student to ensure that his day has been productive.