Lyme disease is a bacterial illness that is spread by tick bites. Lyme disease can affect the skin, joints, heart, and the nervous system. Lyme disease occurs in phases, with the early phase beginning at the site of the tick bite with an expanding ring of redness.
When Do Not Disturb is on, a crescent moon, or half-moon, icon will appear in the status bar. There are two ways to turn Do Not Disturb on or off: 1  set a schedule.2  Swipe up from the bottom of the screen to open Control Center. 3  Tap the crescent moon.hen Do Not Disturb is on, a crescent moon, or half-moon, icon will appear in the status bar. There are two ways to turn Do Not Disturb on or off: 1  set a schedule.
The first quarter (waxing half moon) will have the shape of a lowercase N when it rises and a lowercase U when it sets. The last quarter (waning half moon) will look like a lowercase U when it rises and a lowercase N when it sets. Both the waxing and waning crescent moon phases will look like a smile.