Paragraph 2
One of the
commented on his research and the
of sleeping times on our heart. He said the results of his
suggested that going to bed early or
, "may be more likely to disrupt the body clock" and be bad for
health. He said it was healthier for our body to wake up to the
light. He said: "The riskiest time [to go to bed] was after
because it may reduce the
of seeing morning light,
resets the body clock." He added that we risk heart disease if our body clock is not reset
.