A poor night’s sleep can impact your entire day. If you are regularly having trouble sleeping, you could suffer from sleep apnea or insomnia and other sleep disorders. Your physician may recommend a sleep study to determine whether treatment is needed to improve your sleep. Dr. Alvan Nzewuihe with the Mercy Sleep Center at Mercy Hospital South shared five changes you can make on your own to improve your sleep. If you have questions about your sleep quality or think you may benefit from a sleep study, please check with your doctor.