1. Sleepiness Causes ____Sleep ____ was a factor in some of the biggest disasters in recent history: the 1979 nuclear accident at Three Mile Island, the massive Exxon Valdez oil spill, the 1986 ____ meltdown at Chernobyl, and others. But sleep loss is also a big ____ every day on the road. Drowsiness can ____ reaction time as much as driving ____. The National Highway Traffic Safety Administration estimates that fatigue is a cause in 100,000 auto crashes and 1,550 crash-related deaths a year in the U.S. The problem is greatest among people under 25 ____ old. Studies show that sleep ____ and poor-quality ____ also lead to accidents and injuries on the job. 2. Sleep Loss Dumbs You ____Sleep plays a critical role in thinking and ____. Lack of sleep hurts these cognitive ____ in many ways. First, it impairs attention, alertness, concentration, reasoning, and problem ____. This makes it more difficult to ____ efficiently. Second, during the night, various sleep cycles play a role in “consolidating” memories in the ____. If you don’t get enough sleep, you won’t be able to ____ what you learned and experienced during the day. 3. Sleep ____ Can Lead to Serious Health ProblemsSleep disorders and chronic sleep loss can put you at ____ for: -Heart disease - ____ attack - Heart failure - Irregular ____ - High blood ____ - Stroke - Diabetes According to some estimates, 90% of people with ____ -- a sleep disorder characterized by trouble falling and staying asleep -- also have another health ____. 4. Sleepiness Is DepressingOver time, lack of sleep and sleep disorders can contribute to the ____ of depression. In a 2005 Sleep in America poll, people who were ____ with depression or anxiety were more likely to sleep less than six ____ at night. The most common sleep ____, insomnia, has the strongest link to depression. In a 2007 study of 10,000 people, those with insomnia were five ____ as likely to develop depression as those without. In fact, insomnia is often one of the ____ symptoms of depression. Insomnia and depression feed on each other. Sleep loss often aggravates the symptoms of depression, and depression can make it more ____ to fall asleep. On the positive side, treating sleep problems can ____ depression and its symptoms, and vice ____. 5. Losing Sleep Can Make You Gain WeightWhen it comes to body ____, it may be that if you snooze, you ____. Lack of sleep seems to be related to an increase in hunger and ____, and possibly to obesity. According to a 2004 study, people who sleep ____ than six hours a day were almost 30 percent more likely ____ become obese than those who slept seven to nine hours. Recent research has focused on the ____ between sleep and the peptides that regulate appetite. “Ghrelin stimulates hunger and leptin signals satiety to the brain and suppresses appetite,” says Siebern. “Shortened sleep time is associated with decreases in ____ and elevations in ____ .” Not only does sleep loss appear to ____ appetite. It also stimulates ____ for high-fat, high-carbohydrate foods. Ongoing studies are considering whether ____ sleep should be a standard part of weight ____ programs.

5 Things to Hate About Sleep Loss

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