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Scientists have wondered
some people are early birds and others are night
. They looked at a database full of
information. People who said they were early risers shared
with Neanderthals. The
found many
of Neanderthal DNA in the early risers. The effect of the Neanderthal DNA may be weakening as
passes. Our modern lifestyles mean many of us prefer to sleep in and not leave the
of our bed. Nevertheless, it may still be
that the early bird catches the
.
