Asthma (AZ-ma) is a chronic (long-term) lung disease that inflames and narrows the airways. Asthma causes recurring periods of wheezing (a whistling sound when you breathe), chest tightness, shortness of breath, and coughing. The coughing often occurs at night or early in the morning. Asthma affects people of all ages, but it most often starts during childhood.
Restart or Reset Your iPhone. If your iPhone suddenly freezes or refuses to wake from sleep, you can sometimes resolve the issue by restarting it. Press and hold the âSleep/Wakeâ button until the âslide to power offâ message appears. Slide the arrow to power off your phone.
If this does not work then follow the steps below: Step 1: Restart the iPhone. At times, you may find your iPhone screen unresponsive when too many programs are being run at the same time. This takes up a great deal of memory causing the screen to freeze and hang and you cannot close the applications.