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During a week-long work trip in Switzerland, the writer could not slumber beyond three or four hours most nights.
PHOTO: REUTERS
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SINGAPORE - Travel is back, but so is jet lag. Multitudes of globetrotters are sleep-deprived again.
During a week-long work trip in Switzerland in November, I could not slumber beyond three or four hours most nights. Yet a month earlier in the distant Canadian Rockies, I had few symptoms despite crossing 15 time zones and journeying 24 hours to get there.
