Bright lights accelerate the re-entrainment of circadian clock to 8-hour phase-advance shift of sleep-wake schedule: 1) Circadian rhythms in rectal temperature and plasma melatonin level.

Mar 1, 1991The Japanese journal of psychiatry and neurology

Bright light speeds up adjustment of body clock and daily rhythms in temperature and melatonin after an 8-hour earlier sleep shift

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