If you are not having a sound sleep then there might be fault in the air! According to a new research presented at the ATS 2017 International Conference high levels of air pollution over time may get in the way of a good night's sleep. Prior studies have shown that air pollution impacts heart health and affects breathing and lung function but less is known about whether air pollution affects sleep said lead author Martha E. Billings from the University of Washington. Adding We thought an effect was likely given that air pollution causes upper airway irritation swelling and congestion