READING:
People who fly a long way hate jet lag. It lasts for three or four days. Traveling across time zones upsets your body clock. You can be awake at 3.00am and sleepy after lunch. That might soon be over. Researchers are making a drug for jet lag. It can help people change to a new time zone in 24 hours. The researchers have found the body's "reset button". This helps us after our sleep pattern changes. New drugs could "press" the reset button and end jet lag.
The jet-lag drug could also help people who work at night. Airline pilots and cabin crew could benefit. They would not get stressed from not sleeping. The drug could also help people with insomnia (sleeplessness). Jet lag usually happens after changing three time zones or more. Some people get it with one time zone difference. It usually takes one day to recover from one time zone. Jet lag is not so old. It happened after people started flying in jet airplanes.
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