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.
1 Do that first so all your data is backed up in iTunes. 2  If you're using iCloud, you might want to switch it over to your computer for now just to be sure your information is safe. 3  Put your iPhone into DFU mode. 4  To do this, reboot your iPhone by holding down the power and home buttons simultaneously for about 10 seconds.ust follow these steps: 1  Even when your iPhone is locked up, you can still sync it with your computer. 2  Do that first so all your data is backed up in iTunes. 3  If you're using iCloud, you might want to switch it over to your computer for now just to be sure your information is safe.