Paragraph 1
Everyone knows that
sleep is important for our
. Not everyone knows how
it is to sleep in the dark. A new report says sleeping with the light on could be bad for our health. Researchers say turning off the light when we sleep helps to keep away
and heart disease. Sleeping with the light on could increase the
of getting these diseases. The researchers said around 40 per cent of people sleep with some sort of
light. They said even light from a
or alarm clock could affect our health. They added that the
thing to sleep with is a
light. Sleeping in the dark is more difficult for people who live in cities, where there is a lot of
light at night.
