Article: Research suggests falling body temperature could trigger sleep

A drop in body temperature in the evening may be the trigger that it is time to go to sleep, according to research at the Laboratory of Human Chronobiology in White Plains, N.Y.

The findings prompted researchers to suggest that making a special effort to cool down might help insomniacs.

One suggestion is to take a hot bath about 90 minutes before bedtime. When the bath is over, body temperature will drop rapidly. Researchers monitored the sleep under normal circumstances of 44 men and women of varying ages. Then the volunteers spent three consecutive days and nights in an apartment with no time cues, a bed and only ...

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