Almost all of us have experienced jet lag after a long flight.
Its symptoms include drowsiness, muscle aches, insomnia, irritability, and difficulty concentrating.
And going east is always worse than going west.
You see, your circadian rhythm has a tendency to run slightly longer than 24 hours.
Studies suggest that we can push back our body's clock about two hours per day.
Flying west over two time zones extends your day by two hours, which we can adjust to within one day.
The same journey east has us waking up two hours earlier and going to bed two hours earlier, which doesn't necessarily mean sleeping.
We can advance our sleep-wake cycle somewhere between 60 and 90 minutes per day, so it could take as much as two days to adjust.
To get your body clock back on track, here's nine natural ways to cure jet lag.
Spend the day outside.
