Even relatively small amounts of light can reset the body's internal clock, so find as dark an environment as possible when traveling.
If the climate or hour of the day at the new destination don't allow for lots of light, a small, portable light box, some of which double as an alarm clock, can be purchased.
Evidence of past explosions is revealed in the image - huge lobes of 20-million-degree Celsius gas (the red loops in the image at approximately the 2 o'clock and 7 o'clock positions) that extend over dozens of light-years on either side of the black hole.
Avoiding light at certain hours also is important to help the body clock reset.
Sleep therapists correct the syndrome by forcing the advanced phase patients to stay up late and exposing them to bright light around 0230 AM - helping to "manually" reset the clock.
The body clock is reset subtlety every day by a combination of dawn light and evening light.
Using the least amount of light possible to get around helps avoid disturbing the body's circadian clock.
Thousands of light bulbs illuminate the gigantic main terminal and unused parking lots around the clock, a massive energy and cost drain that appears to be the result of a computer system that's so sophisticated it's almost impossible to operate.
"That watch doesn't put us in a very good light, " concedes Andrew Crisford, senior warden of the Worshipful Company of Clock-makers, the 17th-century guild that founded and maintains the museum.
The only light in the room was street light seeping in through the blinds, and a rose-colored hue from the digital clock by the bed.
Seeking out day light at certain times, and avoiding bright light at other times, are some of the main strategies researchers recommend for resetting the body clock faster.
The researchers showed that light was activating in the mice a protein, melanopsin, which also has a role in regulating the body clock, and is present in people.
By entering the control panel, you'll find a night mode that offers a super-dim clock and alarm display for bedside duty, though we wish this mode could be triggered automatically by light sensor (very early Classics had sensors, but for whatever reason, they were later removed).
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