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Dr Phyllis Zee is an
in sleep
. She said it is healthier to turn off
when we sleep. She did a study on the blood
levels of 20 people. The people who slept with a light on had
sugar levels than those who slept in the
. Dr Zee said light makes the brain
, which raises blood sugar. There are three
we can do: turn off the lights, never sleep with
or blue light; and wear an eye
.