How To: Avoid jet lag
You don’t have to accept fatigue and sleeplessness as the cost of traveling to distant lands. There are a half a dozen things you can do to lessen the impact of crossing time zones.
You don’t have to accept fatigue and sleeplessness as the cost of traveling to distant lands. There are a half a dozen things you can do to lessen the impact of crossing time zones.
Being able to sleep deeply and fully is one of the foundations for real health. When you go without it, you feel subhuman and incapable of dealing with the world—just ask a student who's had to pull an all-nighter or the parents of a newborn. In fact, many studies have shown that lack of sleep or irregular sleep is linked to acne, weight gain, and depression.
Umbra, penumbra. Not exactly abracadabra, but if you've taken an astronomy class, you know exactly what the umbra and penumbra are. And any Earthling would agree that the umbra is the best place to be during a solar or lunar eclipse.