The paragraph below has been taken from the text but includes ten blanks. You are required to select one word or expression for each blank from a list of words in the word bank provided. You may not use any of the words in the word bank more than once. A) acknowledge B) beneficial C) cancer D) controversial E) developed F) earn G) enhanced H) enough I) focus J) harmful K) idea L) lasts M) raising N) reasoning O) sight Good question. Thanks for ______ 1 ______ it. Poor quality sleep or lack of _____ 2 _______ sleep can be _____ 3 ______, especially if the problem _____ 4 ______ for a long time. All kinds of problems can occur, such as the cognitive ones of poor ______ 5 _____, short attention span, memory and language loss, and problems that threaten us physically such as ______ 6 _______ risk of obesity and diabetes. If you have survived on only a little sleep over a long period of time, you will have _____ 7 _____ a “sleep deficit” or “sleep debt.” You need to settle that debt by catching up on the sleep you have lost. It is theoretically possible for a person to still be “making payments” on sleep that was lost many years ago. The _____ 8 ______ of sleep debt is _____ 9 ______, however, and some medical experts refuse to _____ 10 ______ its existence because it is not verifiable through observation or experimentation.