In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.

Do you know that you (1)______ about one-third of your life sleeping? However, your body doesn’t (2)______ the sleeping time. It has a lot to do (3)______ you are sleeping. The body produces energy at night (4)______ you have plenty of energy the next morning. Hormones, which are (5)______ growth chemicals, help the body to repair itself and grow.