English practice 46

The following paragraphs may or may not be in the most logical order. You may be asked questions about the logical order of the paragraphs, as well as where to place sentences logically within any given paragraph.

Long Distance Difficulties

[1]

Traveling across time via airplane, can be very disconcerting to the human body, both physically and mentally. When you "gain" or "lose" time going from Point A to Point B, affects you in some form. Jet lag is medically considered a sleeping disorder, although it is normally a temporary condition and as other sleeping dysfunctions.

[2]

64 The term "circadian" originates from the Latin circa, meaning "about," and diem or "day." Circadian rhythms refer to a variety of daily bodily functions such as temperature changes, sleep patterns, and digestive functions. Normally, the body operates on a 24-hour time period that coincides with the earth's 24-hour cycle of night and day. The human body generally falls into a routine of sleeping and changes in body temperature, breathing, and digestion take place. , most cause more sleepiness from 3:00 p.m. to 5:00 p.m. and again from 3:00 a.m. to 5:00 a.m. Body temperature usually rises as the day goes on, quickly drops around midnight, and then begins the cycle of rising again just before 6:00 a.m. changes occur on a twenty-four-hour cycle, so abrupt time zone changes can understandably upset the body's highly tuned system regulation.

[3]

Some symptoms of jet lag include excessive daytime sleepiness or some level of insomnia at night, changes in appetite and/or digestion, moodiness, and difficulty concentrating. , people will also experience headaches, dry sinuses, earaches, and bloating. However, these symptoms to the conditions of the airplane cabin, which has a very atmosphere, and are not symptomatic of jet lag.

[4]

[1] There are steps that can be taken to alleviate the effects of jet lag, primarily as preventive measures. [2] First, it might be helpful to slightly alter your sleeping schedule for several days before your go to bed one hour earlier and rise the next day an hour earlier so that you will be somewhat more acclimated to the new time zone. [4] Regulating your exposure to light can also be helpful, since light and darkness serve as triggers to the brain. [5] Before traveling west, expose yourself to evening light and avoid early morning light for several days as a way of simulating the new time zone you're headed toward. [6] Some say it takes about one day for every hour of time zone change to completely adjust to the new time zone. [7] Unfortunately for many, that formula often coincides precisely with the return trip. [8] Avoiding caffeine and alcohol may also aid your body in adjusting to its new environment. 74