But infectious bacteria can make you ill. They reproduce quickly in your body. Many give off chemicals called toxins, which can damage tissue and make you sick. Examples of bacteria that cause infections include Streptococcus, Staphylococcus, and E. coli.
Getty Images/Fuse. Head down: Jet lag symptoms include feeling sleepy during the day in your new time zone. Jet lag is what we call it when your body is reacting to these changes in your environment, which is basically your body taking time to adjust to its new place and time. Symptoms include feeling sleepy during the day in your new time zone, but also having a troubled sleep at night.
How long does it take to recover from jet lag? NASA estimates you need one day for every time zone crossed to regain normal rhythm and energy levels. A five-hour time difference means you will require five days to get back to normal. How can I avoid jet lag? Jet lag is a physical, not psychological, condition, and no single solution will work for everyone. Stay on home time if you won't be gone more than 25 hours; there's no point having to readjust twice in two days. If your trip will be longer, go by local time.