Avoiding light at certain hours also is important to help the body clock reset.
"It was a bit of light at the end of the tunnel, " he told BBC News.
It was light at the end of a draining day, more like relief than joy.
The other light at the end of the tunnel may come from the emerging economies.
They face unprecedented economic hardship, with no light at the end of the tunnel.
Candles are lit throughout the resort to provide the requisite light at nighttime.
"We're not seeing light at the end of the tunnel, " he told BBC Newcastle.
Finally, however it seems that there is a light at the end of the tunnel.
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Average volume on JYF is relatively light at approximately 1300 shares traded per day.
" He adds: "Now they don't see a light at the end of the tunnel.
However, one bright light at the end of the tunnel, whichever way you see it?
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And so I think there is some light at the end of the tunnel.
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"I feel like there is no light at the end of the tunnel, " he said.
The light at the end of the tunnel (which is really a train coming at you full speed)?
But can it be all over for RIM or is there light at the end of the tunnel?
As the traffic light at the intersection turned green, Francis stepped up to the crowd, grasping outstretched hands.
This offers some immediate relief, or at the very least a light at the end of the tunnel.
"It is not trivial to make the necessary amount of laser light at a specific wavelength, " Robicheaux said.
"They're not light at all, " says David Pitman, secretary of the J-Class Association.
He figures it will be another year before consumers see much light at the end of the economic tunnel.
"Americans want to see light at the end of the tunnel, " said Sen.
Shine ultraviolet light at it and it will shine back green or orange.
One speaker, Saber Hossain Chowdhury, an Awami League leader, professed to see light at the end of the tunnel.
He spied light at the end of the tunnel for the eurozone.
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Where they can see light at the end of the tunnel if only the terms of repayment could be renegotiated.
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