Paragraph 2
More than 1,500 people took part in the
. They listened to nine different
of natural sounds and
noise. The people then answered
about how relaxed and
they felt after listening to the sounds. The researchers found that listening to birdsong benefited well-being. However, even at
levels, traffic noise reduced feelings of well-being. Researcher Dr Melissa Marselle said the
world is noisy. She said we need to investigate the
of traffic noise on nature's sounds and whether it negatively affects their
. She added that we need to identify more quiet
spaces to help people who are feeling stressed.